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How the Great Pyramid was Actually Built · The Infographics Show Podcast

• 0:10
  Speaker 1: So if you want to build the Great Pyramid of
• 0:12
  Speaker 1: Giza in twenty seven years, you basically have to place
• 0:20
  Speaker 1: a two and a half ton block of stone every
• 0:22
  Speaker 1: three minutes.
• 0:23
  Speaker 2: Yeah, that is really the ultimate ticking clock.
• 0:26
  Speaker 1: Right there, literally every three minutes, I mean for over
• 0:28
  Speaker 1: two decades.
• 0:29
  Speaker 2: Right And when you really sit down and look at
• 0:31
  Speaker 2: the raw logistical math of what Pharaoh Kufu accomplished around
• 0:34
  Speaker 2: twenty five sixty BCE, it well, it completely shatters our
• 0:40
  Speaker 2: modern intuition about what was actually possible back then.
• 0:43
  Speaker 1: Absolutely, so welcome to beyond infographics. Today. We're taking a
• 0:48
  Speaker 1: look at a massive amount of archaeological data, some structural
• 0:52
  Speaker 1: engineering models, and even like cutting edge particle physics to
• 0:56
  Speaker 1: tackle one of the oldest mysteries.
• 0:58
  Speaker 2: On the planet. It's a huge top it really.
• 1:00
  Speaker 1: Is, and my personal insight into this. The mission for
• 1:03
  Speaker 1: our conversation today is to lay out a comprehensive, computationally
• 1:07
  Speaker 1: backed explanation of exactly how this megastructure was built, right.
• 1:11
  Speaker 2: And we're doing this was zero aliens.
• 1:13
  Speaker 1: Huh, exactly, no aliens, no lost magic, just pure unadulterated
• 1:18
  Speaker 1: human genius.
• 1:19
  Speaker 2: And honestly, that genius is entirely rooted in logistics. I mean,
• 1:26
  Speaker 2: to understand the scale of the problem, you have to
• 1:28
  Speaker 2: contextualize that three minute metric you just mentioned.
• 1:31
  Speaker 1: Okay, let's unpack this because I think people here millions
• 1:34
  Speaker 1: of blocks and it just sort of becomes static in
• 1:36
  Speaker 1: their brains.
• 1:37
  Speaker 2: Yeah, it's hard to visualize. So Kufa's pyramid consists of
• 1:40
  Speaker 2: roughly two point three million individual blocks of stone.
• 1:44
  Speaker 1: Wow.
• 1:45
  Speaker 2: Yeah, and the vast majority of these are heavy limestone blocks.
• 1:49
  Speaker 2: But we'll get into this a bit later. There were
• 1:51
  Speaker 2: also some truly massive granite megaliths deep inside.
• 1:55
  Speaker 1: Right, the really heavy stuff. And the historical timeline here
• 1:58
  Speaker 1: is super rigid as an extremely.
• 2:00
  Speaker 2: So historical records when you cross reference them with modern archaeology,
• 2:04
  Speaker 2: they put Ferro Cufu's rain at roughly twenty seven years.
• 2:07
  Speaker 1: So that's the absolute maximum construction window exactly.
• 2:11
  Speaker 2: That is all the time they had.
• 2:12
  Speaker 1: So if you assume these builders were working say ten
• 2:15
  Speaker 1: hour days, maybe six days a week, and then you
• 2:17
  Speaker 1: have to account for the inevitable seasonal.
• 2:19
  Speaker 2: Slowdowns absolutely, and the intense midsummer heat in Egypt.
• 2:23
  Speaker 1: Right, So the math is just inescapable. You have to
• 2:25
  Speaker 1: get one block successfully navigated all the way up the
• 2:28
  Speaker 1: structure and perfectly set into place every single three minutes.
• 2:33
  Speaker 2: Which is exactly why for centuries people have resorted to
• 2:38
  Speaker 2: the most fantastical explanations.
• 2:40
  Speaker 1: Because it just sounds impossible.
• 2:42
  Speaker 2: It really does. I mean, the human brain just struggles
• 2:45
  Speaker 2: to comprehend that kind of sustained industrial output without diesel
• 2:51
  Speaker 2: engines or hydraulic cranes or even iron tools.
• 2:55
  Speaker 1: Yeah, the sheer impossibility of that three minute cadence has
• 2:58
  Speaker 1: definitely led to a lot of creative and frankly kind
• 3:00
  Speaker 1: of dismissive theorizing over the years. Definitely, And the most
• 3:04
  Speaker 1: common one, the one you see in all the old
• 3:05
  Speaker 1: Hollywood movies, is the pop culture myth of millions of
• 3:08
  Speaker 1: enslaved people just being whipped under the hot sun.
• 3:11
  Speaker 2: Right, and we really need to definitively put that to
• 3:13
  Speaker 2: rest before we go any further today. Please do from
• 3:16
  Speaker 2: my own personal insight into the archaeological findings on the ground,
• 3:19
  Speaker 2: the physical evidence entirely refused the idea of a disorganized
• 3:23
  Speaker 2: mass of forced labor.
• 3:24
  Speaker 1: So it wasn't just a disposable workforce.
• 3:27
  Speaker 2: Far from it. Researchers have actually excavated the workers Town,
• 3:31
  Speaker 2: which is a site known as height El Gurab situated
• 3:34
  Speaker 2: just south of the Sphinx.
• 3:36
  Speaker 1: Oh wow.
• 3:37
  Speaker 2: Yeah, and we're talking about a highly structured, grid like city.
• 3:41
  Speaker 2: It was explicitly designed to house, feed and care for
• 3:46
  Speaker 2: thousands of workers.
• 3:47
  Speaker 1: So they were well taken care of.
• 3:48
  Speaker 2: Them, incredibly well. When you examined their remains and the
• 3:52
  Speaker 2: refuse pits, the story is just crystal clear. I mean
• 3:56
  Speaker 2: these people were eating prime cuts of cattle, sheep, goat
• 4:01
  Speaker 2: really yeah. And they were brewing mass to quantities of
• 4:03
  Speaker 2: quality beer, eating fresh fish caught straight from the Nile.
• 4:07
  Speaker 1: I mean, you definitely don't feed top tier barbecue to
• 4:09
  Speaker 1: a disposable slave force, exactly.
• 4:13
  Speaker 2: And you also don't provide them with the level of
• 4:15
  Speaker 2: medical care that we found evidence.
• 4:16
  Speaker 1: For, wait, medical care, like what kind.
• 4:18
  Speaker 2: We've actually discovered skeletal remains showing broken bones that were
• 4:21
  Speaker 2: perfectly set with splints and healed completely.
• 4:24
  Speaker 1: That's amazing.
• 4:25
  Speaker 2: There's even evidence of successful amputations and incredibly ancient brain
• 4:29
  Speaker 2: surgery where the patients survived for years afterward.
• 4:32
  Speaker 1: You're kidding brain surgery.
• 4:33
  Speaker 2: Yeah, I know it's wild, but it shows these were
• 4:37
  Speaker 2: respected artisans, yeah, specialized engineers and rotating crews of seasonal
• 4:43
  Speaker 2: laborers who viewed this as a massive, unified national project.
• 4:48
  Speaker 1: That completely flips the Hollywood narrative on its head. And
• 4:51
  Speaker 1: we actually even have their internal team names, right we do.
• 4:54
  Speaker 1: I remember reading that they left graffiti in the hidden
• 4:57
  Speaker 1: relieving chambers above the King's chamber. You have work gangs
• 5:01
  Speaker 1: calling themselves things like the Friends of CUFU or the
• 5:05
  Speaker 1: Drunkards of men Car.
• 5:06
  Speaker 2: Yeah, the Drunkards of men Car is a great one.
• 5:08
  Speaker 1: It just feels so human like. It feels like a
• 5:10
  Speaker 1: modern construction crew painting their union local number on a
• 5:13
  Speaker 1: steel beam or something.
• 5:15
  Speaker 2: It really does. And that level of morale and organization,
• 5:19
  Speaker 2: that's the first foundational piece of the puzzle.
• 5:21
  Speaker 1: Here, right, But I mean high morale doesn't negate.
• 5:24
  Speaker 2: Gravity, unfortunately, not even with the most motivated workforce in
• 5:28
  Speaker 2: the ancient world, you still have to physically move two
• 5:31
  Speaker 2: point three million giant stones.
• 5:33
  Speaker 1: Which is terrifying to think about, and real quick before
• 5:35
  Speaker 1: we dive into how they actually move them. If you're
• 5:38
  Speaker 1: enjoying having your mind blown by ancient engineering so far,
• 5:41
  Speaker 1: please take a second to drop a five star rating
• 5:44
  Speaker 1: for Beyond Infographics on your podcast app. It really helps
• 5:47
  Speaker 1: us out.
• 5:47
  Speaker 2: It definitely does Okay, so.
• 5:48
  Speaker 1: Back to moving these stones. Any large scale logistical operation
• 5:54
  Speaker 1: lives and dies by its supply chain.
• 5:56
  Speaker 2: Roup absolutely and in antiquity, the supply chain is always
• 6:00
  Speaker 2: inextricably linked to water.
• 6:02
  Speaker 1: Which is where things get really fascinating for me, because
• 6:05
  Speaker 1: when you look at pictures of the Giza plateau today,
• 6:08
  Speaker 1: it is incredibly dry.
• 6:09
  Speaker 2: It's practically a moonscape, right.
• 6:11
  Speaker 1: It's the stark, narrow strip of desert. Just the Sea
• 6:15
  Speaker 1: of Sand. I always pictured thousands of people painfully dragging
• 6:18
  Speaker 1: sleds across miles of endless scorching dunes just to get
• 6:22
  Speaker 1: the rocks to the construction site.
• 6:24
  Speaker 2: And that geographical assumption is exactly what makes the construction
• 6:28
  Speaker 2: seem so impossible.
• 6:29
  Speaker 1: Because doing that would just take forever exactly.
• 6:32
  Speaker 2: But the geography we see today is not the geography
• 6:35
  Speaker 2: CUFU saw forty five hundred years ago. Oh really, Yeah,
• 6:38
  Speaker 2: Recent geological surveys, along with radar, satellite imagery and deep
• 6:42
  Speaker 2: soil coring, have actually revealed a massive paradigm shift hidden
• 6:46
  Speaker 2: right beneath the sand.
• 6:47
  Speaker 1: They found a lost river.
• 6:48
  Speaker 2: Didn't they They did. They identified a major, now extinct
• 6:51
  Speaker 2: branch of the Nile running directly along the foothills of
• 6:54
  Speaker 2: the Western Desert plateau.
• 6:56
  Speaker 1: That is wild.
• 6:57
  Speaker 2: It's recently been named the Aramat Branch, which literally translates
• 7:02
  Speaker 2: to pyramids in Arabic, fitting names very and by drilling
• 7:06
  Speaker 2: deep cores into the soil and analyzing the sedimentary layers,
• 7:10
  Speaker 2: geologists confirmed that this massive waterway was highly active during
• 7:14
  Speaker 2: the Old Kingdom.
• 7:15
  Speaker 1: So it flowed right past the doorstep of the pyramid sites,
• 7:19
  Speaker 1: right past it. Wait, so they didn't drag these blocks
• 7:22
  Speaker 1: across miles of endless dunes. It was essentially an ancient
• 7:26
  Speaker 1: Amazon Prime delivery network right to the construction sites front door.
• 7:30
  Speaker 2: That is the perfect way to visualize it.
• 7:32
  Speaker 1: Honestly, that changes everything.
• 7:34
  Speaker 2: It really does. If you examine the architecture layout of
• 7:36
  Speaker 2: the pyramid complexes. Yeah, and I mean not just cufu's,
• 7:39
  Speaker 2: but cafres and men cars as well. They all feature
• 7:42
  Speaker 2: these incredibly long covered stone causeways.
• 7:46
  Speaker 1: Okay, and where do those go?
• 7:47
  Speaker 2: Well, they lead down from the pyramid base and terminate
• 7:50
  Speaker 2: at these structures called valley temples.
• 7:52
  Speaker 1: Gotcha.
• 7:53
  Speaker 2: For a long time, you know, the practical function of
• 7:55
  Speaker 2: these valley temples was kind of debated in the field.
• 7:57
  Speaker 1: But the river changes that context.
• 8:00
  Speaker 2: Entirely. When you overlay the path of the extinct urmap
• 8:03
  Speaker 2: branch onto the map, the valley temples sit perfectly on
• 8:07
  Speaker 2: the ancient riverbank.
• 8:08
  Speaker 1: Oh my god, they were loading docks exactly.
• 8:11
  Speaker 2: They function as massive, bustling river harbors. They are basically
• 8:15
  Speaker 2: the ancient world's most vital maritime hubs.
• 8:18
  Speaker 1: That is so cool.
• 8:20
  Speaker 2: And the incredible part is that we don't just have
• 8:22
  Speaker 2: satellite radar to prove this. Yeah, we actually have written
• 8:26
  Speaker 2: eyewitness accounts from the people who ran the boats.
• 8:29
  Speaker 1: This has to be one of the most stunning archaeological
• 8:31
  Speaker 1: finds of the last few decades. Right the Wadi al
• 8:34
  Speaker 1: Jarf papyri.
• 8:35
  Speaker 2: Absolutely discovered in twenty thirteen on the coast of the
• 8:38
  Speaker 2: Red Sea.
• 8:38
  Speaker 1: So what's actually in these.
• 8:40
  Speaker 2: Documents, Well, among them is the logbook of an ancient boatman,
• 8:43
  Speaker 2: an inspector named Mirror.
• 8:45
  Speaker 1: And what I love about Murr is that he isn't
• 8:47
  Speaker 1: a poet or a priest. He's literally a middle manager.
• 8:51
  Speaker 1: His logbook is basically a forty six hundred year old
• 8:54
  Speaker 1: Excel spreadsheet.
• 8:55
  Speaker 2: It is entirely administrative, which is exactly what makes it
• 8:59
  Speaker 2: so incredibly valuable to logisticians today.
• 9:01
  Speaker 1: Because it's just raw data.
• 9:02
  Speaker 2: Yes. Mirror's logbook details his daily activities over several months.
• 9:07
  Speaker 2: He let a crew of about two hundred men okay,
• 9:10
  Speaker 2: and his specific job was to transport the fine white
• 9:13
  Speaker 2: Tura limestone from the quarries across the river directly to
• 9:17
  Speaker 2: the pyramid site at Giza.
• 9:19
  Speaker 1: And he details everything right, like the exact routes they took,
• 9:22
  Speaker 1: the overnight stops, they made, the number of blocks loaded, everything.
• 9:25
  Speaker 2: He was running a high frequency batch delivery system.
• 9:28
  Speaker 1: But how did they manage the sheer weight on those
• 9:30
  Speaker 1: wooden boats? I mean getting a two and a half
• 9:32
  Speaker 1: ton rock onto a boat without capsizing. It seems like
• 9:34
  Speaker 1: a logistical nightmare.
• 9:36
  Speaker 2: It does. But the key to the entire operation was timing.
• 9:38
  Speaker 2: Ty Well, my personal insight into Mahyor's logbook and our
• 9:42
  Speaker 2: understanding of the Niles hydrology shows that they timed the
• 9:46
  Speaker 2: heaviest shipments with the Nile's annual seasonal floods.
• 9:49
  Speaker 1: Oh. The Egyptians call this season the Achett right.
• 9:52
  Speaker 2: Yes, exactly during the accet, the Nile would swell massively right,
• 9:56
  Speaker 2: it would flood the valley right, effectively bringing the river
• 9:59
  Speaker 2: right up to the the edge of the desert plateau
• 10:02
  Speaker 2: flooding the canals and basins that led directly to those
• 10:04
  Speaker 2: Valley Temple harbors.
• 10:06
  Speaker 1: Oh wow. So by utilizing the floodwaters, the builders completely
• 10:10
  Speaker 1: bypassed the impossible friction of hauling stone over dry land.
• 10:14
  Speaker 2: They floated the majority of the weight to within a
• 10:16
  Speaker 2: few hundred meters of the actual pyramid base.
• 10:19
  Speaker 1: So the water literally did all the heavy lifting. They
• 10:22
  Speaker 1: just let buoyancy conquer the friction of the desert.
• 10:24
  Speaker 2: That's exactly it. And what's fascinating here is that when
• 10:27
  Speaker 2: you run modern logistical models on this delivery system, taking
• 10:31
  Speaker 2: into account the capacity of the boats, the size of
• 10:34
  Speaker 2: Mar's crew, the duration of the flood season, the math
• 10:38
  Speaker 2: really begins to align.
• 10:39
  Speaker 1: It actually works out.
• 10:40
  Speaker 2: It does. The river transporting quarrying phases overlap perfectly with
• 10:45
  Speaker 2: that twenty to twenty seven year historical window of Cufu's rain.
• 10:49
  Speaker 1: Okay, so the river completely solves the horizontal problem. We've
• 10:52
  Speaker 1: got millions of blocks sitting at the Valley Temple harbor, right,
• 10:56
  Speaker 1: But I mean getting the blocks to the base of
• 10:58
  Speaker 1: the pyramid is almost the easy part. Once they are
• 11:01
  Speaker 1: sitting there, how do you lift two point three million
• 11:05
  Speaker 1: of them? Up to a staggering height of one hundred
• 11:08
  Speaker 1: and forty six point six meters.
• 11:10
  Speaker 2: Yeah, that's over four hundred and eighty feet in the air.
• 11:12
  Speaker 1: How do you do that without completely choking your own
• 11:15
  Speaker 1: construction site in a massive traffic jam.
• 11:17
  Speaker 2: Elevating the stone is the ultimate bottleneck. There's no way
• 11:21
  Speaker 2: around it. Right, And this brings us to the great
• 11:24
  Speaker 2: centuries old debate over ramps, because if you do not
• 11:27
  Speaker 2: have complex pulley systems or towering hydraulic cranes, you must
• 11:32
  Speaker 2: rely on the inclined plane.
• 11:34
  Speaker 1: You have to have ramps.
• 11:34
  Speaker 2: You must have ramps. Yeah, but when you evaluate the
• 11:37
  Speaker 2: traditional theories mathematically against that three minute per block constraint
• 11:40
  Speaker 2: we talked about, they all just buckle under the pressure.
• 11:43
  Speaker 1: Okay, let's walk through those traditional theories because I think
• 11:45
  Speaker 1: a lot of us still picture them when we imagine
• 11:47
  Speaker 1: the pyramids being built.
• 11:48
  Speaker 2: Yeah.
• 11:49
  Speaker 1: The first one is the most basic, right, The straight
• 11:51
  Speaker 1: external ramp just a massive sloping mountain of dirt and
• 11:55
  Speaker 1: rubble leading straight up one side of the pyramid.
• 11:58
  Speaker 2: Right. And the problem with the straight external is just
• 12:00
  Speaker 2: a matter of pure geometry set well to maintain an
• 12:04
  Speaker 2: incline shallow enough for human beings to actually pull a
• 12:07
  Speaker 2: two ton block up it. You were looking at a
• 12:10
  Speaker 2: maximum slope of around seven or eight degrees.
• 12:13
  Speaker 1: Because any steeper and the men just slide backward gravity.
• 12:16
  Speaker 2: Winds exactly, So if you limit your slope to seven degrees,
• 12:19
  Speaker 2: by the time the pyramid reaches its full height of
• 12:21
  Speaker 2: one hundred and forty six meters, that straight ramp extending
• 12:25
  Speaker 2: out into the desert would have to be over.
• 12:26
  Speaker 1: A mile long, a mile long mountain of earth.
• 12:29
  Speaker 2: That's insane, it is, And the volume of material required
• 12:33
  Speaker 2: to build a ramp a mile long and one hundred
• 12:35
  Speaker 2: and forty six meters high at its peak would be geometrically.
• 12:38
  Speaker 1: Massive, like how massive?
• 12:40
  Speaker 2: In fact, the volume of the ramp would be significantly
• 12:43
  Speaker 2: greater than the volume of the pyramid itself. Really, yes,
• 12:46
  Speaker 2: you would essentially be tasking your workforce with building a second,
• 12:50
  Speaker 2: larger megastructure just to facilitate the building of the first one.
• 12:54
  Speaker 1: That makes absolutely no sense. And then when you're done,
• 12:57
  Speaker 1: you have to somehow dismantle a mile long mountain of dirt.
• 13:01
  Speaker 1: Exactly where did all that rubble go? I mean, we
• 13:04
  Speaker 1: can scam the Giza plateau today. There is no massive
• 13:08
  Speaker 1: archaeological footprint of a dismantled mile long ramp left behind.
• 13:13
  Speaker 1: The dirt just isn't there, which.
• 13:15
  Speaker 2: Is exactly why I have most modern engineers and researchers
• 13:17
  Speaker 2: abandoned the straight ramp theory decades ago.
• 13:20
  Speaker 1: Okay, so what was the next idea?
• 13:22
  Speaker 2: The next logical progression was the zigzag or external spiral ramp.
• 13:26
  Speaker 1: Okay, how does that work?
• 13:27
  Speaker 2: The idea is that instead of going straight out into
• 13:30
  Speaker 2: the desert, you wrap the ramp around the outside of
• 13:33
  Speaker 2: the pyramid as it grows, sort of like a staircase
• 13:35
  Speaker 2: wrapping around a lighthouse.
• 13:37
  Speaker 1: Oh, I see. That sounds incredibly clever. It saves material,
• 13:40
  Speaker 1: and it keeps the footprint really small.
• 13:42
  Speaker 2: It does, but it introduces a massive problem for the architecture.
• 13:45
  Speaker 1: It's the catch.
• 13:46
  Speaker 2: It completely compromises the structural survey.
• 13:49
  Speaker 1: Oh, because it covers the building.
• 13:51
  Speaker 2: Yes, if you cover the outside faces and the corners
• 13:54
  Speaker 2: of the pyramid in a massive, spiraling blanket of mud
• 13:57
  Speaker 2: brick scaffolding, you obscure the very thing you were trying
• 14:01
  Speaker 2: to build.
• 14:02
  Speaker 1: Right, and the edges are everything. Here we're talking about
• 14:05
  Speaker 1: a structure perfectly aligned to true north, with four triangular
• 14:10
  Speaker 1: size that have to meet at a microscopic perfect point
• 14:13
  Speaker 1: hundreds of feet in the air.
• 14:14
  Speaker 2: Exactly.
• 14:15
  Speaker 1: If your base is off by even a fraction of
• 14:17
  Speaker 1: a degree, your apex won't meet. The builders had to
• 14:20
  Speaker 1: constantly measure, sit, and survey those edges. You can't just
• 14:24
  Speaker 1: cross your fingers and hope you're keeping it straight. If
• 14:26
  Speaker 1: the edges are buried under thousands of tons of dirt, you'd.
• 14:29
  Speaker 2: End up with a twisted, lopsided pyramid.
• 14:32
  Speaker 1: Which Kufu's pyramid definitely.
• 14:33
  Speaker 2: Is not right. So that necessity for continuous visual surveying
• 14:38
  Speaker 2: led to one of the most highly popularized modern theories,
• 14:41
  Speaker 2: the internal spiral ramp.
• 14:43
  Speaker 1: I've heard of this one. This was championed by the
• 14:45
  Speaker 1: French architect Jean Pierre, who didn't right yes.
• 14:48
  Speaker 2: Most notably, his theory suggests they used an external ramp
• 14:52
  Speaker 2: for the bottom third of the pyramid, but then build
• 14:55
  Speaker 2: a corkscrewed tunnel inside the pyramid's masonry to haul the blocks.
• 14:58
  Speaker 1: The rest of way up ramp is hidden inside the
• 15:01
  Speaker 1: pyramid like a hollow corkscrew. That is a brilliant conceptual idea.
• 15:06
  Speaker 2: It is it solves the external footprint problem and it
• 15:09
  Speaker 2: leads the outside corners exposed for surveying.
• 15:11
  Speaker 1: But when you really dive into the human logistics of
• 15:15
  Speaker 1: working inside that tunnel, it sounds like an absolute nightmare.
• 15:19
  Speaker 2: It would be an incredibly hostile working environment.
• 15:22
  Speaker 1: Just physically speaking, Yes.
• 15:24
  Speaker 2: You have to picture teams of dozens of men packed
• 15:28
  Speaker 2: shoulder to shoulder into a narrow, steeply inclined stone corridor
• 15:33
  Speaker 2: h claustrophobia, and they are engaged in extreme physical exertion
• 15:36
  Speaker 2: pulling multi ton blocks in a sealed tunnel deep inside
• 15:41
  Speaker 2: a stone mountain. The heat generated by human bodies alone
• 15:44
  Speaker 2: would be absolutely stifling, not.
• 15:46
  Speaker 1: To mention the lack of ventilation and how do they
• 15:48
  Speaker 1: even see what they're doing?
• 15:49
  Speaker 2: They would require constant torch like oh no, yeah, dozens
• 15:52
  Speaker 2: of torches burning in a confined space, consume massive amounts
• 15:55
  Speaker 2: of oxygen and create thick, choking smoke that sounds lethal.
• 16:00
  Speaker 1: Be a highly dangerous, incredibly slow environment.
• 16:03
  Speaker 2: It really would. Furthermore, to this day, it assumes the
• 16:07
  Speaker 2: existence of these massive, continuous spiraling internal corridors that we
• 16:12
  Speaker 2: simply have not definitively found.
• 16:15
  Speaker 1: So it's an elegant theoretical solution, but practically it presents
• 16:19
  Speaker 1: severe occupational and archaeological challenges exactly. So, just to recap,
• 16:24
  Speaker 1: the straight ramp is too big, the external spiral blinds
• 16:27
  Speaker 1: the architects, and the internal spiral basically suffocates the workers.
• 16:31
  Speaker 2: That sums it up.
• 16:33
  Speaker 1: So what is left? And this is where we get
• 16:35
  Speaker 1: to the core of the computational insight I've been really
• 16:37
  Speaker 1: wanting to discuss today. Here's where it gets really interesting.
• 16:41
  Speaker 1: What if the ramp wasn't a massive external mount of
• 16:44
  Speaker 1: dirt and it wasn't a suffocating internal tunnel, right, what
• 16:47
  Speaker 1: if the ramp was actually built right into the exposed
• 16:50
  Speaker 1: edges of the pyramid itself.
• 16:51
  Speaker 2: Yes, this concept is known as the integrated edge ramp model,
• 16:55
  Speaker 2: or IER. For sure, the IER, and from my personal
• 16:58
  Speaker 2: insight into the logistics, it represents a profound shift in
• 17:01
  Speaker 2: how we understand each and construction because it hormonizes all
• 17:04
  Speaker 2: the constraints we've just discussed.
• 17:06
  Speaker 1: Let me try to visualize this for the listener. Imagine
• 17:09
  Speaker 1: you are building a modern skyscraper.
• 17:11
  Speaker 2: Okay, okay, good analogy.
• 17:13
  Speaker 1: Usually you put temporary steel scaffolding all around the outside
• 17:16
  Speaker 1: of the glass. But instead of doing that, imagine you
• 17:19
  Speaker 1: leave the very corner rooms of every single floor completely empty.
• 17:23
  Speaker 1: As you build up, you leave those corner spaces open
• 17:26
  Speaker 1: to the outside air, and you use those empty spaces
• 17:30
  Speaker 1: as a continuous spiraling staircase to haul your materials up.
• 17:34
  Speaker 1: You are essentially using the physical floor plan of the
• 17:37
  Speaker 1: building itself as you're scaffolding.
• 17:39
  Speaker 2: That is a very accurate analogy. In the context of
• 17:42
  Speaker 2: the Great Pyramid. The Ieer model suggests the builders would
• 17:45
  Speaker 2: temporarily omit a very specific section of blocks along the
• 17:49
  Speaker 2: perimeter courses of the active edge they were working on.
• 17:51
  Speaker 1: So they just leave a gap.
• 17:52
  Speaker 2: Yes, specifically, the model suggests leading out a section roughly
• 17:56
  Speaker 2: three blocks d's and six blocks.
• 17:58
  Speaker 1: Long, so they're basically leaving a massive rectangular notch running
• 18:02
  Speaker 1: along the outer edge of the pyramid as they build
• 18:04
  Speaker 1: each layer.
• 18:04
  Speaker 2: Up Exactly, this temporary emission creates a channel that is
• 18:08
  Speaker 2: three point eight meters wide and four point twenty six
• 18:10
  Speaker 2: meters high.
• 18:11
  Speaker 1: Okay, so three point eight meters wide is roughly twelve
• 18:15
  Speaker 1: and a half feet That is plenty of room for
• 18:18
  Speaker 1: a hauling team to walk to abreast.
• 18:20
  Speaker 2: Absolutely, and because.
• 18:21
  Speaker 1: This channel is right on the edge of the pyramid,
• 18:23
  Speaker 1: it's completely open to the sky. Yes, the workers have
• 18:26
  Speaker 1: natural day light they have constant desert breezes for ventilation,
• 18:30
  Speaker 1: and they aren't choking on torch smoke in a sealed tunnel.
• 18:33
  Speaker 2: And crucially, while this channel runs along the edge, the
• 18:36
  Speaker 2: outermost cornerstones of the pyramid itself can still be placed
• 18:40
  Speaker 2: and remain completely visible.
• 18:42
  Speaker 1: Oh, that solves the surveying problem.
• 18:44
  Speaker 2: It does. The master surveyors could still stand on the
• 18:47
  Speaker 2: literal corners of the structure, drop their plumb lines, cite
• 18:50
  Speaker 2: their astronomical angles, and ensure the pyramid was rising perfectly straight.
• 18:54
  Speaker 1: Because the structural geometry isn't compromised by a blanket of
• 18:58
  Speaker 1: mud brick is brilliant. It essentially has a zero external
• 19:02
  Speaker 1: footprint exactly. Oh wait, what happens when they finally reach
• 19:05
  Speaker 1: the top, how do they get rid of this giant
• 19:08
  Speaker 1: spiraling notch circling the whole pyramid?
• 19:11
  Speaker 2: Well. As the pyramid nears completion and the massive capstone
• 19:15
  Speaker 2: the pyramiding is placed, the construction process simply reverses direction.
• 19:20
  Speaker 1: Oh they work backwards.
• 19:21
  Speaker 2: Yes, the builders work their way back down the spiral channel.
• 19:26
  Speaker 2: Those omitted three by six block sections are then back
• 19:29
  Speaker 2: filled from the top down. The smooth outer casing stones
• 19:32
  Speaker 2: are locked into place course by course as they.
• 19:35
  Speaker 1: Descend, it's perfectly self contained entirely. When the last team
• 19:39
  Speaker 1: reaches the bottom, the final casing blocks at the base
• 19:42
  Speaker 1: are slotted into place and the pyramid is sealed.
• 19:45
  Speaker 2: The ramp was the pyramid, and the pyramid was the.
• 19:47
  Speaker 1: Ramp, and there is no extra dirt to haul away.
• 19:50
  Speaker 1: That is such an elegant solution. It reconciles the need
• 19:53
  Speaker 1: for high throughput, continuous survey access, and a zero external
• 19:58
  Speaker 1: footprint all at once.
• 19:59
  Speaker 2: It really does. But it relies on extremely precise physics, right.
• 20:03
  Speaker 1: Because having an open air edge ramp sounds great in
• 20:05
  Speaker 1: a computer model, but can human beings actually pull multi
• 20:09
  Speaker 1: ton blocks of this specific type of ramp fast enough
• 20:12
  Speaker 1: to beat the twenty seven year o'clock. That's the real test,
• 20:15
  Speaker 1: because if the human body can't physically output in the
• 20:17
  Speaker 1: force required, the whole theory completely falls apart.
• 20:21
  Speaker 2: Physics is the ultimate arbiter here. We must work strictly
• 20:24
  Speaker 2: within the physical and technological constraints of the Old.
• 20:27
  Speaker 1: Kingdom, which we're pretty limited very.
• 20:29
  Speaker 2: As we established, they did not have iron tools, they
• 20:31
  Speaker 2: did not have a dance pulleys, and they absolutely did
• 20:34
  Speaker 2: not have wheel transport for these immense loads.
• 20:37
  Speaker 1: No wheels at all, just copper chisels, wooden sledges, ropes, levers,
• 20:42
  Speaker 1: and sheer human muscle.
• 20:44
  Speaker 2: That's it.
• 20:44
  Speaker 1: So how does the math actually work on an edge
• 20:47
  Speaker 1: ramp under those conditions?
• 20:48
  Speaker 2: Well, the computational models I've been looking at lay out
• 20:51
  Speaker 2: the optimal physics required for the IR system to function.
• 20:55
  Speaker 2: It ultimately comes down to two magic numbers.
• 20:57
  Speaker 1: Okay, what are they?
• 20:58
  Speaker 2: The exact slope of the ramp and the coefficient of
• 21:01
  Speaker 2: kinetic friction. Let's look at the slope first.
• 21:03
  Speaker 1: How steep can you make a ramp before it just
• 21:05
  Speaker 1: becomes impossible to pull a rock of it?
• 21:07
  Speaker 2: The computational sweet spot is exactly a seven degree incline.
• 21:11
  Speaker 1: Why exactly seven degrees? Why not a gentler slope, like
• 21:16
  Speaker 1: maybe six degrees to make it easier on the workers?
• 21:19
  Speaker 2: It's a fair question. If you drop the incline to
• 21:21
  Speaker 2: six degrees, the pulling force required certainly.
• 21:24
  Speaker 1: Goes down right, less gravity to fight.
• 21:26
  Speaker 2: But geometrically, a shallower slope means the ramp has to
• 21:30
  Speaker 2: become much longer to reach the same vertical height. Oh
• 21:33
  Speaker 2: and a longer ramp means a longer travel time per block.
• 21:36
  Speaker 2: When you multiply that extended travel time by two point
• 21:39
  Speaker 2: three million blocks, you completely blow past the twenty seven
• 21:43
  Speaker 2: year deadline.
• 21:44
  Speaker 1: Ah, So it's a time issue. It's like taking the
• 21:46
  Speaker 1: long winding switchback trail up a mountain instead of the
• 21:49
  Speaker 1: steep direct path. It might be easier on your lungs,
• 21:52
  Speaker 1: but it takes all day to reach the summit.
• 21:54
  Speaker 2: Precisely, And conversely, if you try to shorten the ramp
• 21:58
  Speaker 2: by increasing the incline.
• 21:59
  Speaker 1: To eight, then what happens.
• 22:01
  Speaker 2: The pulling force spikes dramatically. The men would either exhaust
• 22:05
  Speaker 2: themselves way too quickly, or you would need to add
• 22:08
  Speaker 2: so many men to the hauling team that they would
• 22:11
  Speaker 2: no longer physically fit inside that three point eight meters
• 22:14
  Speaker 2: wide edge channel.
• 22:15
  Speaker 1: They'd literally run out of room for people to stand exactly.
• 22:18
  Speaker 2: So seven degrees is a mathematical compromise between path length
• 22:21
  Speaker 2: and required biomechanical force.
• 22:23
  Speaker 1: Okay, so a seven degree ramp, but pulling a two
• 22:26
  Speaker 1: ton wooden sledge up a seven degree incline made of
• 22:30
  Speaker 1: dry sand and limestone, I mean the friction would be unbelievable.
• 22:34
  Speaker 2: It would the.
• 22:34
  Speaker 1: Wood would just grind into the stone.
• 22:36
  Speaker 2: It'd be practically impossible to move. And this is where
• 22:38
  Speaker 2: the second magic number comes into play. A kinetic friction
• 22:42
  Speaker 2: coefficient of point two.
• 22:43
  Speaker 1: Zero point two zero. How on earth do you get
• 22:46
  Speaker 1: the friction that low without wheels, axles, or metal ball bearings.
• 22:51
  Speaker 2: Water? Just water, Yes, specifically by meticulously lubricating the sand
• 22:57
  Speaker 2: track way directly in front of the sledge.
• 23:00
  Speaker 1: Really.
• 23:00
  Speaker 2: Yeah, Experimental archaeology and physics have shown that if you
• 23:04
  Speaker 2: pour water onto desert sand until it reaches exactly about
• 23:07
  Speaker 2: five percent saturation, it fundamentally changes the mechanical properties of
• 23:11
  Speaker 2: the sand.
• 23:12
  Speaker 1: Oh wait, it's the sand castle effect exactly. Like if
• 23:14
  Speaker 1: you take completely dry sand at the beach, it just
• 23:17
  Speaker 1: cascades through your fingers. You can't build with it, and
• 23:20
  Speaker 1: if you push something heavy across it, the sand just
• 23:22
  Speaker 1: piles up in front like a bulldozer blade.
• 23:25
  Speaker 2: Yes, dry sand creates immense sliding friction, but that five
• 23:28
  Speaker 2: percent water saturation creates microscopic capillary bridges between the individual
• 23:34
  Speaker 2: grains of silica. Wow, it binds the sand together, creating
• 23:38
  Speaker 2: a slick, incredibly firm surface that allows the wooden runners
• 23:42
  Speaker 2: of the sledge to glide rather than plow.
• 23:46
  Speaker 1: But what if you use too much water.
• 23:48
  Speaker 2: If it's too wet, the capillary bridges collapse, it turns
• 23:50
  Speaker 2: into mud, and the heavy sledge immediately sinks and gets stuck.
• 23:54
  Speaker 1: So it's a really delicate balance.
• 23:56
  Speaker 2: Very five percent is the optimum saturation point to radically
• 24:00
  Speaker 2: reduced sliding friction. And if you recall the armat branch
• 24:02
  Speaker 2: of the nile we discussed.
• 24:03
  Speaker 1: Earlier, right the river was right there exactly.
• 24:06
  Speaker 2: The builders had an abundant immediate supply of water right
• 24:09
  Speaker 2: at the base of the site to maintain this continuous lubrication.
• 24:13
  Speaker 1: Okay, so we have a seven degree slope and perfectly
• 24:15
  Speaker 1: wetted sand, giving us a point two zero friction coefficient
• 24:19
  Speaker 1: under those ideal physical conditions. What does the human hall
• 24:22
  Speaker 1: team actually look like For a standard two point twenty
• 24:26
  Speaker 1: seven ton block of limestone.
• 24:27
  Speaker 2: The biomechanical data shows it takes about twenty four workers
• 24:30
  Speaker 2: to move that block.
• 24:31
  Speaker 1: Twenty four people.
• 24:32
  Speaker 2: Yes, they would be arranged in a double file line
• 24:35
  Speaker 2: pulling on thick ropes, and each person in that line
• 24:38
  Speaker 2: needs to pull with about three hundred newtons of force.
• 24:41
  Speaker 1: Let's ground that number for a second. What does three
• 24:44
  Speaker 1: hundred newtons of force actually feel like to a person.
• 24:47
  Speaker 2: It's roughly equivalent to lifting or pulling thirty kilograms or
• 24:51
  Speaker 2: about sixty six pounds.
• 24:53
  Speaker 1: Oh, that's really not that much.
• 24:56
  Speaker 2: No, it isn't.
• 24:56
  Speaker 1: I mean it's hard work, obviously, but sixty six pounds
• 24:59
  Speaker 1: of pulling four is totally sustainable for a healthy, well
• 25:03
  Speaker 1: fed adult working a shift. It's not superhuman strength at all.
• 25:06
  Speaker 2: It is entirely physically viable. The challenge is not the
• 25:09
  Speaker 2: individual strength, it is the logistical cadence right the ski. Yes,
• 25:14
  Speaker 2: this brings us to what logisticians call the headway. To
• 25:17
  Speaker 2: meet the twenty seven year deadline, the tire system requires
• 25:21
  Speaker 2: a headway, which is the distance in time between hauling
• 25:23
  Speaker 2: teams on the ramp of exactly one block dispatched every
• 25:26
  Speaker 2: four minutes per active ramp.
• 25:28
  Speaker 1: Okay, let me visualize this. Team A starts pulling their
• 25:30
  Speaker 1: block up the ramp. Four minutes later, Team B steps
• 25:33
  Speaker 1: onto the ramp and starts pulling their block correct and
• 25:36
  Speaker 1: then four minutes after that Team C starts.
• 25:38
  Speaker 2: Yes, it is a continuous moving assembly line.
• 25:41
  Speaker 1: But what happens when someone trips, or rope snaps, or
• 25:48
  Speaker 1: a sledge gets misaligned and needs to be adjusted. Those
• 25:51
  Speaker 1: are inevitable delays, right, doesn't a rigid four minute gap
• 25:54
  Speaker 1: guarantee a massive catastrophic ancient traffic jam. If Team A
• 25:59
  Speaker 1: stops half way up the ramp, Team B is going
• 26:02
  Speaker 1: to crash into them four minutes later, and the whole
• 26:05
  Speaker 1: spiraling assembly line grinds to a halt.
• 26:07
  Speaker 2: You are hitting on the exact most critical vulnerability of
• 26:11
  Speaker 2: any continuous flow system.
• 26:13
  Speaker 1: It seems like a huge flaw.
• 26:14
  Speaker 2: Well, modern assembly lines have conveyor belts that can be
• 26:17
  Speaker 2: stopped with a button. The ancient builders didn't have that.
• 26:21
  Speaker 2: The computational models show that the system had to be
• 26:25
  Speaker 2: heavily meticulously regulated by supervisors.
• 26:28
  Speaker 1: Like ancient air traffic controllers exactly like that. But how
• 26:30
  Speaker 1: do you regulate traffic on an edge ramp that's only
• 26:33
  Speaker 1: three point eight meters wide? I mean, there's no passing line.
• 26:36
  Speaker 1: If they go in front of you stops, you have
• 26:38
  Speaker 1: to stop.
• 26:38
  Speaker 2: You regulate it by building staging buffers at the most
• 26:41
  Speaker 2: naturally difficult points of the ascent.
• 26:43
  Speaker 1: Which are aware the corners.
• 26:45
  Speaker 2: The edge ramp, by its very geometric definition, has to
• 26:49
  Speaker 2: make a ninety degree turn every time it reaches a
• 26:52
  Speaker 2: corner of the pyramid. That makes sense, and my insight
• 26:54
  Speaker 2: into the models reveals that the builders would have created
• 26:57
  Speaker 2: enlarged corner platforms roughly five point sixty four meters by
• 27:02
  Speaker 2: five point six to.
• 27:03
  Speaker 1: Four meters, So instead of just a three point eight
• 27:05
  Speaker 1: meter channel, they leave a larger square chunk out of
• 27:08
  Speaker 1: the corners.
• 27:09
  Speaker 2: Yes, these platforms serve two absolutely vital purposes. First, they
• 27:14
  Speaker 2: provided the necessary physical space to use wooden levers to
• 27:18
  Speaker 2: pivot a two ton stone sledge ninety degrees to face
• 27:22
  Speaker 2: the next ramp section.
• 27:23
  Speaker 1: Right, because you can't just steer a heavy sledge like
• 27:25
  Speaker 1: a car.
• 27:25
  Speaker 2: No, you have to pry it around.
• 27:27
  Speaker 1: Yeah.
• 27:27
  Speaker 2: But second, and just as importantly, they acted as operational buffers.
• 27:31
  Speaker 1: Okay, how so if.
• 27:32
  Speaker 2: A delay happened on the ramp above, say a snap
• 27:35
  Speaker 2: rope or an exhausted team, the supervisors could signal the
• 27:38
  Speaker 2: teams coming up from below to pull into these corner
• 27:40
  Speaker 2: platforms and a hold.
• 27:41
  Speaker 1: Oh, it's exactly like a pull off area on a steep,
• 27:45
  Speaker 1: single lane mountain highway.
• 27:46
  Speaker 2: That's a great comparison.
• 27:47
  Speaker 1: If there's an obstruction ahead, you just pulluff onto the
• 27:50
  Speaker 1: shoulder and wait.
• 27:51
  Speaker 2: Yes, the corners absorb the micro delays. They prevented a
• 27:55
  Speaker 2: single snapped rope from backing up the entire spiral sequence
• 27:59
  Speaker 2: all way down to the valley tempolet is so smart
• 28:02
  Speaker 2: it allowed the supervisors to regulate the flow hold teams
• 28:05
  Speaker 2: at the corners and dispatch them only when the lane
• 28:08
  Speaker 2: above was definitively clear.
• 28:10
  Speaker 1: That is just incredible. It's not just brute forcing rocks
• 28:14
  Speaker 1: up a hill. It's genuinely high level industrial flow management.
• 28:18
  Speaker 2: It really is.
• 28:19
  Speaker 1: And quick reminder, if you're finding this level of ancient
• 28:22
  Speaker 1: traffic management as mind blowing as we do, please take
• 28:25
  Speaker 1: a second to rate beyond infographics five stars. We'd really
• 28:28
  Speaker 1: appreciate it.
• 28:29
  Speaker 2: Yespzoo.
• 28:30
  Speaker 1: But wait, I'm doing the math in my head here.
• 28:32
  Speaker 1: If you have one ramp and you are dispatching a
• 28:35
  Speaker 1: block every four minutes, that still isn't fast enough.
• 28:38
  Speaker 2: Why do you say that?
• 28:39
  Speaker 1: Because the math we establish at the beginning requires one
• 28:42
  Speaker 1: block every three minutes to meet the twenty seven year deadline.
• 28:45
  Speaker 1: Four minutes is too slow, and that.
• 28:48
  Speaker 2: Is a mathematically astute observation. A single ramp, no matter
• 28:51
  Speaker 2: how efficiently buffered, cannot beat the clock alone. To conquer
• 28:55
  Speaker 2: the timeline, the builders had to parallelize. They had to
• 28:59
  Speaker 2: run multiple deliver streams simultaneously.
• 29:02
  Speaker 1: Which brings us to the actual geometry of the pyramid
• 29:04
  Speaker 1: itself and a project management concept I've been reading about
• 29:08
  Speaker 1: called the shifting bottleneck.
• 29:10
  Speaker 2: Yes, the shifting bottleneck is crucial here. If you look
• 29:14
  Speaker 2: at the shape of a pyramid, the base is incredibly
• 29:17
  Speaker 2: massive and sprawling, right, but then it tapers to a
• 29:20
  Speaker 2: tiny point at the apex. Because of this geometry, the
• 29:25
  Speaker 2: bottom of the great pyramid contains a vastly disproportionate amount
• 29:29
  Speaker 2: of the total volume of stone.
• 29:31
  Speaker 1: How does proportionate are we talking?
• 29:33
  Speaker 2: Well, the first one hundred and eleven courses of stone,
• 29:36
  Speaker 2: which takes you to an elevation of about eighty meters high,
• 29:39
  Speaker 2: contain ninety percent of the total volume of the entire pyramid.
• 29:42
  Speaker 1: Wait, ninety percent of the rock is in the bottom
• 29:44
  Speaker 1: halfy that is crazy.
• 29:46
  Speaker 2: Therefore, in the early years of construction, your primary engineering
• 29:50
  Speaker 2: challenge isn't really vertical lift. It's horizontal distribution.
• 29:54
  Speaker 1: Oh, I see, you have this sprawling football field sized
• 29:57
  Speaker 1: plateau of a base, and you need to get thousands
• 30:00
  Speaker 1: of blocks laid out across it as quickly as possible.
• 30:03
  Speaker 1: It's the horizontal bottleneck. It doesn't matter how fast you
• 30:06
  Speaker 1: can pull a block up a single spiral ramp. If
• 30:09
  Speaker 1: you can't fan that those blocks out across a massive
• 30:12
  Speaker 1: base to where they actually need to be set, you
• 30:14
  Speaker 1: just have a massive pile up at the top of
• 30:16
  Speaker 1: the ramp.
• 30:17
  Speaker 2: That's exactly what would happen. A single spiraling edge ramp
• 30:20
  Speaker 2: is virtually useless at the bottom.
• 30:22
  Speaker 1: So what did they do instead?
• 30:24
  Speaker 2: The computational logistics model reveals that the builders used a
• 30:28
  Speaker 2: brilliant phased adaptive strategy to solve this shifting bottleneck.
• 30:32
  Speaker 1: Okay, let's walk through this adaptive schedule, because this is
• 30:35
  Speaker 1: where the genius of the architects really shines through for me.
• 30:38
  Speaker 2: Sure, So in phase one, which covers the very bottom
• 30:41
  Speaker 2: foundation courses one through nine, the base is so wide
• 30:44
  Speaker 2: that you don't use spiral ramps at all. The model
• 30:47
  Speaker 2: dictates the use of sixteen simultaneous straight ramps.
• 30:51
  Speaker 1: Sixteen ramps, four on each of the four faces of
• 30:54
  Speaker 1: the pyramid.
• 30:55
  Speaker 2: Yes, short, straight, high volume delivery ramps leading directly up
• 31:00
  Speaker 2: from the plateau to the massive working terrace.
• 31:03
  Speaker 1: That makes sense.
• 31:03
  Speaker 2: There are no corners to navigate, no complex ninety degree
• 31:07
  Speaker 2: pivots to slow things down. It is pure high frequency.
• 31:11
  Speaker 1: Delivery, just flooding the zone exactly.
• 31:13
  Speaker 2: The model suggests twelve lanes dedicated entirely to loaded teams
• 31:18
  Speaker 2: hauling blocks up and four lanes dedicated entirely for empty
• 31:22
  Speaker 2: crews were turning down, so.
• 31:24
  Speaker 1: They are completely segregating the traffic to avoid countercloaw collisions
• 31:28
  Speaker 1: and just flooding the wide base with material exactly.
• 31:31
  Speaker 2: But as the pyramid rises, the base geometrically narrows, the
• 31:35
  Speaker 2: perimeter shrinks.
• 31:36
  Speaker 1: Right, you literally run out of physical space along the
• 31:38
  Speaker 1: sides to accommodate sixteen ramps, so.
• 31:41
  Speaker 2: The system must adapt. In phase two, which covers courses
• 31:45
  Speaker 2: ten through twenty, the number of straight ramps narrows down
• 31:48
  Speaker 2: to eight.
• 31:49
  Speaker 1: Okay, so they're still prioritizing high volume, but they are
• 31:51
  Speaker 1: adjusting to the shrinking square footage of the terrace.
• 31:55
  Speaker 2: Right. And then comes the major transition Phase.
• 31:57
  Speaker 1: Three A when does that happen?
• 31:58
  Speaker 2: That covers courses twenty one one all the way up
• 32:00
  Speaker 2: to one eighty three. The base is now too narrow
• 32:03
  Speaker 2: for multiple straight ramps, but the vertical height is increasing significantly.
• 32:07
  Speaker 2: This is where the straight ramps are abandoned entirely and
• 32:10
  Speaker 2: the system shifts into the four ramp helical ier system
• 32:13
  Speaker 2: we talked about.
• 32:14
  Speaker 1: Got it one spiraling edge ramp on each of the
• 32:17
  Speaker 1: four corners of the pyramid.
• 32:18
  Speaker 2: Yes, four independent spiraling open air channels working in parallel.
• 32:23
  Speaker 1: This is so cool.
• 32:24
  Speaker 2: Three of these ramps are dedicated to the heavy loaded
• 32:27
  Speaker 2: ascent and one is dedicated entirely for empty crews returning
• 32:31
  Speaker 2: down to the base.
• 32:32
  Speaker 1: It's essentially a multi lane spiraling highway system. And I
• 32:36
  Speaker 1: imagine as you get near the very top, the peak
• 32:38
  Speaker 1: becomes so narrow that you can't even fit four ramps anymore.
• 32:42
  Speaker 2: The model predicts exactly that it's an automatic geometry driven narrowing.
• 32:46
  Speaker 2: In phase three B, the system drops to two ramps
• 32:49
  Speaker 2: on opposite faces. Then, and finally in phase three C,
• 32:52
  Speaker 2: right near the apex, where the space is incredibly tight
• 32:55
  Speaker 2: and you're only placing a few blocks per course, it
• 32:58
  Speaker 2: produces to just oneal active ramp.
• 33:00
  Speaker 1: So the construction method physically adapts and morphs to the
• 33:04
  Speaker 1: changing shape of the building in real time.
• 33:05
  Speaker 2: It does.
• 33:06
  Speaker 1: It's a fluid, living logistics network.
• 33:08
  Speaker 2: And the best part is we can mathematically prove that
• 33:10
  Speaker 2: this schedule works. Really how when you take this exact
• 33:14
  Speaker 2: adaptive traffic pattern the sixteen to eight to four to
• 33:18
  Speaker 2: two to one ram phases, the four minute headways, the
• 33:21
  Speaker 2: five point six four meters corner delays, and you run
• 33:25
  Speaker 2: it through thousands of Monte Carlo simulations.
• 33:27
  Speaker 1: Oh, let's explain what that is for a second. A
• 33:29
  Speaker 1: Monte Carlo simulation is a mathematical technique used to understand
• 33:33
  Speaker 1: the impact of risk and uncertainty in complex systems.
• 33:36
  Speaker 2: Right. Yes, it's used heavily in finance, engineering and supply
• 33:40
  Speaker 2: chain management today.
• 33:41
  Speaker 1: So essentially, you build a virtual model of the pyramid
• 33:44
  Speaker 1: construction in a computer, and you simulate the entire twenty
• 33:47
  Speaker 1: seven year process thousands of times.
• 33:50
  Speaker 2: Over correct, but you inject random realistic variables.
• 33:54
  Speaker 1: Into it, Like what kind of variables.
• 33:55
  Speaker 2: You program in? Random rope snaps, workers getting sick, traffic
• 33:59
  Speaker 2: jams at the corner, owners, delays at the harbor due
• 34:01
  Speaker 2: to weather.
• 34:02
  Speaker 1: Basically all the things that go wrong on a real
• 34:04
  Speaker 1: construction site.
• 34:05
  Speaker 2: Yes, you run it to see how long it would
• 34:07
  Speaker 2: realistically take under less than perfect condition.
• 34:09
  Speaker 1: What did the simulation say?
• 34:10
  Speaker 2: The results are absolutely stunning. The Mighty Carlo simulations yield
• 34:14
  Speaker 2: a median on site construction time of thirteen point eight
• 34:17
  Speaker 2: to twenty point six years.
• 34:19
  Speaker 1: Wait, really, so the physical assembly of the blocks on
• 34:22
  Speaker 1: the plateau could be done in roughly fourteen to twenty years.
• 34:25
  Speaker 2: Yes, And when you add in the off site requirements,
• 34:28
  Speaker 2: the front loaded planning, the initial quarrying of the stone,
• 34:31
  Speaker 2: the reliance on the river transport during the Acette floods,
• 34:35
  Speaker 2: and the seasonal pauses where works.
• 34:37
  Speaker 1: Slowed down, that's the final number.
• 34:38
  Speaker 2: The total project time clocks in right at twenty to
• 34:42
  Speaker 2: twenty seven years.
• 34:43
  Speaker 1: That is amazing. It perfectly matches Kufu's historical rain. The
• 34:46
  Speaker 1: map finally beautifully works.
• 34:49
  Speaker 2: It does. It proves from my perspective that the timeline
• 34:52
  Speaker 2: is entirely achievable with old Kingdom technology.
• 34:55
  Speaker 1: That is so satisfying.
• 34:57
  Speaker 2: It is for the standard two point five ton lime
• 35:00
  Speaker 2: still block satus Ah.
• 35:02
  Speaker 1: Yes, standard, because there is a giant eighty ten elephant
• 35:06
  Speaker 1: in the room. There certainly is, or rather in the
• 35:08
  Speaker 1: King's chamber.
• 35:09
  Speaker 2: The granite megaliths right.
• 35:11
  Speaker 1: Deep inside the pyramid, forming the roof of the King's
• 35:14
  Speaker 1: chamber and the complex reliving chambers above it. Are these
• 35:17
  Speaker 1: massive beams of red granite. They are huge, and they
• 35:21
  Speaker 1: were brought all the way from Oswan. Hundreds of miles
• 35:23
  Speaker 1: to the south.
• 35:24
  Speaker 2: Yes, floated up the nile.
• 35:26
  Speaker 1: They range from five to nine meters long, and they
• 35:29
  Speaker 1: weigh up to eighty tons. Now, we just spent all
• 35:32
  Speaker 1: this time establishing that the edge ramps were three point
• 35:35
  Speaker 1: eight meters wide and the corner platforms were five point
• 35:38
  Speaker 1: six four meters square.
• 35:40
  Speaker 2: Which presents a glaring undeniable geometric impossibility.
• 35:44
  Speaker 1: Yeah, you absolutely cannot maneuver an eighty ton, nine meter
• 35:48
  Speaker 1: long block of solid granite around a ninety degree turn
• 35:52
  Speaker 1: on a five point sixty four meter platform.
• 35:54
  Speaker 2: It physically will not fit.
• 35:55
  Speaker 1: It will either crash through the parapet wall and fall
• 35:58
  Speaker 1: off the pyramid, or it will get wedged.
• 36:01
  Speaker 2: And block the ramp forever precisely.
• 36:03
  Speaker 1: So does that blow up the entire integrated edge ramp theory.
• 36:05
  Speaker 1: If you can't get the heaviest, most important stones up
• 36:08
  Speaker 1: the edge ramp, how did they get up there?
• 36:09
  Speaker 2: It doesn't blow up the theory at all. It actually
• 36:11
  Speaker 2: refines it. It shows us where the parallel systems interacted.
• 36:14
  Speaker 1: Okay, what do you mean.
• 36:15
  Speaker 2: My insight into the computational model clarifies that the transport
• 36:18
  Speaker 2: of these massive granite megaliths was a completely decoupled operator couple. Yes,
• 36:24
  Speaker 2: it was entirely separated from the high frequency four minute
• 36:27
  Speaker 2: limestone stream on the edges.
• 36:29
  Speaker 1: Oh so they didn't use the edge ramps for the
• 36:32
  Speaker 1: big guys at.
• 36:32
  Speaker 2: All, No, they didn't. It was a parallel internal operation.
• 36:37
  Speaker 2: The builders utilized the wide, flat working terraces of the
• 36:41
  Speaker 2: partially built pyramid itself.
• 36:43
  Speaker 1: Okay, I'm picturing that.
• 36:44
  Speaker 2: As the pyramid rows course by course, the builders would
• 36:47
  Speaker 2: construct short, locally leveled slipways directly on the flat surface.
• 36:52
  Speaker 1: Of the terrace, and these lead towards the center.
• 36:54
  Speaker 2: Yes, leading toward the center where the King's chamber is
• 36:56
  Speaker 2: being built. And these slipways had a very gentle incline,
• 37:00
  Speaker 2: only three to four degrees.
• 37:01
  Speaker 1: Okay, so they are pulling them up a very gentle
• 37:03
  Speaker 1: slope on the flat terrace. But eighty tons pulling that,
• 37:08
  Speaker 1: even on a gentle slope with wet sand, the sheer
• 37:11
  Speaker 1: amount of biomechanical force required is terrifying.
• 37:15
  Speaker 2: It is a massive undertaking.
• 37:16
  Speaker 1: And if that rope slips, I mean eighty tons sliding
• 37:19
  Speaker 1: backward down a three degree slope is a lethal disaster.
• 37:22
  Speaker 1: It would crush dozens of men. You'd need hundreds of
• 37:24
  Speaker 1: men just to hold the block in place between.
• 37:26
  Speaker 2: Poles, which would normally require a workforce so massive that
• 37:30
  Speaker 2: it would create a gigantic traffic jam on the terrace,
• 37:34
  Speaker 2: completely disrupting the limestone delivery happening on the edges.
• 37:37
  Speaker 1: Right, So how did they solve that?
• 37:39
  Speaker 2: The ancient engineers employed a brilliant mechanical advantage to solve
• 37:43
  Speaker 2: the holding problem, The capstan solution.
• 37:46
  Speaker 1: Oh, the capstand. Okay, if you've ever watched a large
• 37:50
  Speaker 1: ship dock at a pier, you've seen a capstan in action.
• 37:53
  Speaker 2: Yes, exactly.
• 37:54
  Speaker 1: The sailors take the incredibly thick mooring rope attached to
• 37:57
  Speaker 1: a massive steel ship, and they wrap just a few
• 38:00
  Speaker 1: times around a thick metal post on the.
• 38:02
  Speaker 2: Dock, and by wrapping the hauling rope around a stout
• 38:05
  Speaker 2: wooden post, a bullard anchored securely into the deep masonry
• 38:10
  Speaker 2: of the pyramid terrace. They utilize the mathematical principle of
• 38:14
  Speaker 2: exponential friction.
• 38:15
  Speaker 1: It's the physics of the wrap. I always compare it
• 38:17
  Speaker 1: to walking a huge, aggressive dog.
• 38:19
  Speaker 2: That's a good way to look at Like if.
• 38:20
  Speaker 1: The dog lunges at a squirrel and you just hold
• 38:23
  Speaker 1: the leash tightly in your bare hands, you are getting
• 38:25
  Speaker 1: pulled over.
• 38:26
  Speaker 2: You can't hold it, Nope, you'll fall.
• 38:28
  Speaker 1: But if you quickly wrap that leash just one single
• 38:30
  Speaker 1: time around it a tree trunk, suddenly you can hold
• 38:33
  Speaker 1: back a beast ten times your size with just one hand.
• 38:36
  Speaker 1: The friction of the rope tightening against the rough bark
• 38:39
  Speaker 1: of the tree absorbs almost all the force.
• 38:41
  Speaker 2: That is precisely how exponential friction, which is defined mathematically
• 38:46
  Speaker 2: by the Eiler Idlwine formula works wow. By wrapping the
• 38:50
  Speaker 2: massive hauling ropes around these terrace mounted ballards, the exponential
• 38:55
  Speaker 2: friction allowed the builders to radically reduce the holding force
• 38:59
  Speaker 2: requires to secure that eighty ton block.
• 39:01
  Speaker 1: You still need immense pulling force from a large team
• 39:05
  Speaker 1: to actually move it forward up the slipway.
• 39:07
  Speaker 2: Right, No, definitely, the model shows you still needed about
• 39:09
  Speaker 2: one hundred and eighty kilo newtons of pulling force to
• 39:12
  Speaker 2: inch it up the wetted slipway.
• 39:14
  Speaker 1: But what about the holding crew.
• 39:15
  Speaker 2: The holding crew the specific men responsible for regulating the slack,
• 39:20
  Speaker 2: holding the rope tight against the ballard and preventing a
• 39:23
  Speaker 2: catastrophic backward slide. When the pulling team rested, that crew
• 39:27
  Speaker 2: dropped to just one hundred people.
• 39:29
  Speaker 1: One hundred people holding an eighty ton of block on
• 39:32
  Speaker 1: a slope. That is a totally manageable team. It doesn't
• 39:34
  Speaker 1: clog up the whole terrace.
• 39:35
  Speaker 2: It doesn't, and that answers the inevitable logistical question. Didn't
• 39:39
  Speaker 2: this massive granite operation disrupt the four minute limestone deliveries
• 39:43
  Speaker 2: happening at the edges.
• 39:44
  Speaker 1: Right, because you'd think they would get in each other's way,
• 39:47
  Speaker 1: But the insight.
• 39:47
  Speaker 2: From the spatial data is a resounding no. The granite
• 39:51
  Speaker 2: staging areas, the slipways, and the cap stems occupied at
• 39:55
  Speaker 2: most two point three percent of the total terrace area.
• 39:59
  Speaker 1: Oh wow, it was a tiny footprint on a massive surface.
• 40:02
  Speaker 2: It was a highly targeted, specialized task. And because they
• 40:06
  Speaker 2: only had to move a specific number of these granite
• 40:08
  Speaker 2: beans for the King's chamber, the model calculates it only
• 40:11
  Speaker 2: took about forty five total working days to move all
• 40:14
  Speaker 2: the monoliths.
• 40:15
  Speaker 1: Forty five days of work out of a twenty seven.
• 40:17
  Speaker 2: Year project spread out over years. Yes, they would inch
• 40:21
  Speaker 2: a few beams up a level, secure them, and then
• 40:24
  Speaker 2: wait for the outer limestone construction to catch up.
• 40:26
  Speaker 1: So it was a parallel, low frequency operation that never
• 40:29
  Speaker 1: choked the main high frequency limestone supply lines exactly.
• 40:33
  Speaker 2: It was brilliantly managed.
• 40:34
  Speaker 1: It's so brilliantly segmented. You have the rapid fire limestone
• 40:37
  Speaker 1: going up the outer edges and the slow deliberate granite
• 40:40
  Speaker 1: inching up the center on capstones. Okay, so the logistics
• 40:44
  Speaker 1: work beautifully on paper. The physics are sound. The Monte
• 40:47
  Speaker 1: Carlo simulations prove the math they do. But does the
• 40:50
  Speaker 1: physical building actually hold up to this method? If you
• 40:54
  Speaker 1: temporarily remove huge three by six block sections from the
• 40:58
  Speaker 1: edges of a structure when millions of tons, doesn't it
• 41:01
  Speaker 1: compromise the structural integrity?
• 41:03
  Speaker 2: A very valid concern.
• 41:05
  Speaker 1: Does the inside of the pyramid today show any physical
• 41:08
  Speaker 1: proof that this actually happened?
• 41:09
  Speaker 2: That is the crucial transition from theoretical logistics to structural reality.
• 41:14
  Speaker 2: Right to answer the first part about structural integrity, my
• 41:18
  Speaker 2: insight relies on finite element analysis or FAA FA.
• 41:23
  Speaker 1: Okay, this is the same software that modern aerospace engineers
• 41:26
  Speaker 1: used to test if an airplane wing will snap under
• 41:28
  Speaker 1: extreme turbulence.
• 41:30
  Speaker 2: Right.
• 41:30
  Speaker 1: Yes, They build a three D model in a computer,
• 41:33
  Speaker 1: apply virtual physics and gravity and see where the weak
• 41:35
  Speaker 1: points are.
• 41:36
  Speaker 2: Exactly and when structural engineers computationally stress tests the integrated
• 41:40
  Speaker 2: age ramp model under the immense weight of the pyramid
• 41:42
  Speaker 2: above it. The analysis shows that the Old Kingdom limestone
• 41:46
  Speaker 2: handles the load perfectly.
• 41:48
  Speaker 1: So leaving those massive notches out of the edges doesn't
• 41:51
  Speaker 1: cause a collapse. The stone doesn't shatter under the uneven pressure,
• 41:55
  Speaker 1: not at all.
• 41:55
  Speaker 2: The FEA reveals that the average stress concentrated on the
• 41:59
  Speaker 2: stone immediately surrounding the omitted ramp channels is abou zero
• 42:02
  Speaker 2: point five to two megapas scals.
• 42:04
  Speaker 1: Okay, what does that mean in practical terms?
• 42:07
  Speaker 2: Well, to put that in context, the breaking point the
• 42:09
  Speaker 2: compressive strength of that specific urre limestone is roughly sixty
• 42:14
  Speaker 2: megapas scals.
• 42:14
  Speaker 1: Oh wow, so point five two is nothing exactly.
• 42:17
  Speaker 2: It's less than one percent of what the stone can
• 42:20
  Speaker 2: structurally handle. The pyramid is incredibly over engineered in terms
• 42:25
  Speaker 2: of compressive strength. It practically doesn't even notice the missing edges.
• 42:29
  Speaker 1: Structurally, the ier is entirely safe, then the stone would
• 42:32
  Speaker 1: not crack.
• 42:32
  Speaker 2: Right. But the second part of your question is where
• 42:35
  Speaker 2: the modern empirical data becomes truly groundbreaking.
• 42:38
  Speaker 1: What does the inside of the pyramid look like today?
• 42:41
  Speaker 2: Right, Because if they use these edge ramps and then
• 42:43
  Speaker 2: eventually backfill them with rubble and casing stones from the
• 42:46
  Speaker 2: top down, there should be some kind of internal signature
• 42:49
  Speaker 2: left behind.
• 42:50
  Speaker 1: Yeah, the density wouldn't be uniform. A solid rock block
• 42:53
  Speaker 1: is heavier than a gap filled with loose rubble and
• 42:56
  Speaker 1: mortar exactly.
• 42:57
  Speaker 2: And this brings us to one of the most exciting
• 42:59
  Speaker 2: archaeol logical projects of the twenty first century, Scan Pyramids. Oh,
• 43:03
  Speaker 2: I've read about this Scan Pyramids. It's an international mission
• 43:06
  Speaker 2: that used a technique called muon imaging to literally peer
• 43:10
  Speaker 2: inside the solid stone of Cufu's pyramid without moving a
• 43:15
  Speaker 2: single rock.
• 43:16
  Speaker 1: It's basically like a medical scan for buildings. Let's break
• 43:19
  Speaker 1: down what muons are briefly. Muons are heavy sub atomic
• 43:23
  Speaker 1: particles created when cosmic rays hit our upper atmosphere.
• 43:27
  Speaker 2: Yes, and they rain down on the Earth constantly. They
• 43:30
  Speaker 2: passed through empty space easily, but they are absorbed or
• 43:33
  Speaker 2: deflected by dense material like solid stone.
• 43:37
  Speaker 1: So by placing muon detectors inside the known chambers of
• 43:40
  Speaker 1: the pyramid and looking up, scientists can track how many
• 43:43
  Speaker 1: muons make it through the stone above. If a lot
• 43:46
  Speaker 1: of muons hit the detector in a specific spot. It
• 43:48
  Speaker 1: means they pass through an area of lower density, like
• 43:51
  Speaker 1: a void or a gap. It's basically taking an astronomical
• 43:54
  Speaker 1: X ray of a mountain.
• 43:55
  Speaker 2: And this cosmic X ray revealed previously unknown voids inside
• 43:59
  Speaker 2: the Great Pyramid that sent shockwaves to the archaeological community.
• 44:02
  Speaker 1: I remember when that news broke. It was huge.
• 44:04
  Speaker 2: Specifically, they found a massive space they dubbed the Big
• 44:08
  Speaker 2: Void situated above the Grand Gallery, and a sloping area
• 44:11
  Speaker 2: near the entrance called the north Face Corridor.
• 44:14
  Speaker 1: So what does this all mean for edge ramp theory?
• 44:17
  Speaker 1: Do the voids match the predicted ramps.
• 44:19
  Speaker 2: It leads to the most stunning mathematical alignment in the
• 44:22
  Speaker 2: entire computational model.
• 44:24
  Speaker 1: Okay, lay on me.
• 44:24
  Speaker 2: If you model the integrated edge ramp system at a
• 44:27
  Speaker 2: seven point zero degree incline, it works logistically as we discussed.
• 44:32
  Speaker 2: But if you slightly adjust the model to exactly a
• 44:35
  Speaker 2: seven point ford to a seven point five degree incline,
• 44:38
  Speaker 2: the magic number at seven point four degrees the exact
• 44:41
  Speaker 2: locations of the corners where the edge ramps would have
• 44:44
  Speaker 2: made their ninety degree turns, and featured those five point
• 44:47
  Speaker 2: six to four meters staging platforms. They perfectly aligned with
• 44:50
  Speaker 2: actual structural anomalies found by the scan Pyramids team.
• 44:53
  Speaker 1: They match the stands.
• 44:54
  Speaker 2: They match perfectly. The computer model says there should be
• 44:57
  Speaker 2: a platform here, and the MUON detectors say, there's a
• 45:00
  Speaker 2: hollow space here.
• 45:01
  Speaker 1: That is absolutely unbelievable.
• 45:03
  Speaker 2: Specifically, the predicted corner turning platforms perfectly intersect with the
• 45:08
  Speaker 2: elevations of known physical notches on the exterior of the pyramid,
• 45:12
  Speaker 2: which are labeled N one through N three, and the
• 45:14
  Speaker 2: internal lower density cavities detected by the muons labeled C
• 45:18
  Speaker 2: one and C two.
• 45:19
  Speaker 1: So the voids the cosmic rays found are exactly where
• 45:22
  Speaker 1: the computer says the ramp turning platforms should be. That
• 45:26
  Speaker 1: honestly gives me chills.
• 45:27
  Speaker 2: It gets better. Furthermore, independent architectural measurements of the pyramid's
• 45:32
  Speaker 2: horizontal layers show sudden, unexplained jumps in coarse thickness at
• 45:37
  Speaker 2: very specific elevations.
• 45:38
  Speaker 1: Like suddenly the layer of blocks is much thicker and
• 45:40
  Speaker 1: heavier than the layer right below it.
• 45:42
  Speaker 2: Yes, and these jumps in thickness correlate with high statistical
• 45:46
  Speaker 2: significance to the exact elevations where the ieer model predicts
• 45:49
  Speaker 2: a corner turning platform would be located.
• 45:51
  Speaker 1: Wait, why would it be thicker there?
• 45:53
  Speaker 2: Well, it implies that after completing a difficult turn, finishing
• 45:56
  Speaker 2: a ramp segment closing off that section, the builders systematically
• 45:59
  Speaker 2: reloaf and stabilized the entire working terrace with a thicker
• 46:03
  Speaker 2: course of stone before starting the next phase of the ascent.
• 46:06
  Speaker 1: Oh, it's the physical fingerprint of the construction process. It's
• 46:10
  Speaker 1: literally written into the thickness of the floors exactly. And
• 46:13
  Speaker 1: there is physical evidence on the outside today, right if
• 46:15
  Speaker 1: you go look at the northeast corner of the pyramid.
• 46:18
  Speaker 2: Yes, yeah, there is a highly visible notch, a heavily
• 46:21
  Speaker 2: damaged section on the northeast court of the pyramid today.
• 46:25
  Speaker 1: What caused it?
• 46:26
  Speaker 2: While it has often been dismissed over the years as
• 46:29
  Speaker 2: later quarrying by locals or maybe just natural wind erosion,
• 46:33
  Speaker 2: the computational model shows that this notch perfectly aligns with
• 46:38
  Speaker 2: the entrance to the predicted edge ramp.
• 46:40
  Speaker 1: So it's not random damage, it's wear and tear.
• 46:43
  Speaker 2: That's my personal insight on it.
• 46:44
  Speaker 1: Yes, it's the physical abrasion from thousands upon thousands of
• 46:48
  Speaker 1: heavy wooden sledges making that brutal ninety degree turn, scraping
• 46:52
  Speaker 1: against the masonry over and over again, day in and
• 46:55
  Speaker 1: day out for two decades.
• 46:57
  Speaker 2: And this raises an important point, and I must offer
• 47:00
  Speaker 2: a caveat here, because we must be scientifically rigorous about this.
• 47:03
  Speaker 1: Okay, what's the caveat.
• 47:04
  Speaker 2: What we have found is profound geometric consistency, not absolute undeniable.
• 47:10
  Speaker 1: Proof, right, because the computer model flawlessly matches the real
• 47:14
  Speaker 1: world scans, and it matches the physical damage on the corners.
• 47:18
  Speaker 1: But we haven't actually dug into the anomaly yet to
• 47:20
  Speaker 1: look at it with her own eyes exactly.
• 47:22
  Speaker 2: Muon scans show density anomalies. A back filled rubble ramp
• 47:28
  Speaker 2: where the builders quickly shoved loose stones, mortar and filler
• 47:31
  Speaker 2: into the empty edged channel to seal it up at
• 47:33
  Speaker 2: the end of the project would be far less dense
• 47:36
  Speaker 2: than the solid, neatly stacked, load bearing masonry around.
• 47:39
  Speaker 1: It, so it would show up exactly like that.
• 47:42
  Speaker 2: That lower density would register as a void or an
• 47:44
  Speaker 2: anomaly on a Muon scan, which is exactly what we see.
• 47:48
  Speaker 2: But to be absolutely certain that these specific cavities are
• 47:51
  Speaker 2: back filled ramps and not something else like unknown chambers
• 47:55
  Speaker 2: or structural stretch leaving gaps. We need higher resolution imaging
• 47:59
  Speaker 2: or minimally in endoscopy.
• 48:00
  Speaker 1: We basically need to stick a tiny fibro octic camera
• 48:03
  Speaker 1: through a crack in the stone and actually look at
• 48:05
  Speaker 1: the rocks inside that void precisely.
• 48:08
  Speaker 2: But until that happens, the geometric consistency of the Ier
• 48:11
  Speaker 2: model is profoundly compelling. It answers the logistical, structural, and
• 48:15
  Speaker 2: chronological constraints better than any theory before it.
• 48:18
  Speaker 1: It's an incredible journey. And by the way, if you're
• 48:20
  Speaker 1: enjoying this show, please remember to hit that five star rating.
• 48:23
  Speaker 1: It means the world to us.
• 48:24
  Speaker 2: Yes, please do.
• 48:25
  Speaker 1: If we synthesize all of this, the Great Pyramid of
• 48:29
  Speaker 1: Giza wasn't a product of disorganized slaves driven by whips. No,
• 48:33
  Speaker 1: it wasn't built by aliens using anti gravity lasers. It
• 48:36
  Speaker 1: wasn't a magic trick.
• 48:37
  Speaker 2: It was the result of a highly sophisticated data driven
• 48:40
  Speaker 2: logistical machine.
• 48:42
  Speaker 1: It started with the extinct a harmat Nile branch delivering
• 48:45
  Speaker 1: massive amounts of limestone directly to the site during the
• 48:48
  Speaker 1: Acett floods. Right, it utilized a brilliant seven degree integrated
• 48:53
  Speaker 1: edge ramp system that left no massive external footprint and
• 48:56
  Speaker 1: allowed the architects to keep the pyramid perfectly straight.
• 49:00
  Speaker 2: And it relied on exactly wetted sand, four minute headways
• 49:04
  Speaker 2: and corner staging buffers to manage the massive flow of traffic.
• 49:07
  Speaker 1: Not to mention the adaptive project management system that organically
• 49:11
  Speaker 1: shrunk from sixteen ramps down to one as the pyramid rose.
• 49:14
  Speaker 2: And it employed ingenious capst in physics to slowly inch
• 49:18
  Speaker 2: eighty ton granite monoliths up the center without disrupting the
• 49:21
  Speaker 2: rapid flow of limestone on the edges.
• 49:23
  Speaker 1: It's just a masterclass in engineering.
• 49:25
  Speaker 2: And reason this matters to you, the listener, is because
• 49:29
  Speaker 2: it fundamentally changes how we view our ancestors.
• 49:31
  Speaker 1: It really does. It's easy to look back at antiquity
• 49:34
  Speaker 1: and assume they were less capable or primitive.
• 49:37
  Speaker 2: But this model proves that human ingenuity, sophisticated project management,
• 49:42
  Speaker 2: and logistical brilliance were just as sharp, just as capable
• 49:46
  Speaker 2: forty five hundred years ago as they are in modern
• 49:49
  Speaker 2: mega projects today.
• 49:50
  Speaker 1: The tools were different, but the human intellect orchestrating the
• 49:54
  Speaker 1: workflow was exactly the same.
• 49:55
  Speaker 2: They were the ultimate engineers.
• 49:57
  Speaker 1: Thank you so much for taking this incredible journey with
• 49:59
  Speaker 1: us on beyond inf Graphics. We love taking these complex
• 50:01
  Speaker 1: topics and breaking them down to the bedrock with you.
• 50:04
  Speaker 2: It has been a truly fascinating exploration of human potential.
• 50:07
  Speaker 1: Before we go, I want to leave you with one
• 50:10
  Speaker 1: final lingering thought, a little mystery tom all over on
• 50:14
  Speaker 1: your own until our next show. We just spent this
• 50:17
  Speaker 1: entire time talking about Cufu's masterpiece and how he may
• 50:20
  Speaker 1: have built it using this hidden plain sight edge ramp system.
• 50:24
  Speaker 1: But what about his son Caffrey built his own massive
• 50:29
  Speaker 1: pyramid right next door on the Giza Plateau.
• 50:32
  Speaker 2: A pyramid that, while slightly smaller, looks remarkably similar in
• 50:36
  Speaker 2: its structural geometry exactly.
• 50:38
  Speaker 1: And the same computational model we discussed today predicts exact
• 50:42
  Speaker 1: specific elevations for Coffrey's hidden ramps too.
• 50:45
  Speaker 2: It predicts exactly where the internal turning platform should be
• 50:49
  Speaker 2: on the second pyramid.
• 50:50
  Speaker 1: So the provocative question is, are the answers to Egypt's
• 50:53
  Speaker 1: greatest mysteries just sitting there right now, hidden behind a
• 50:57
  Speaker 1: few layers of stone, waiting for someone to point a
• 50:59
  Speaker 1: Muon detector at the.
• 51:00
  Speaker 2: Exact right spot The blueprints might finally be visible.
• 51:03
  Speaker 1: We just have to look, keep looking beyond the surface.
• 51:05
  Speaker 1: We'll see you next time.