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A Quantum Computer in Space? The First Results Are In · The Quark Side - Quantum Physics Podcast

• 0:01
  Speaker 1: Welcome to the QuarkSide Quantum Physics Podcast, an exploration of
• 0:05
  Speaker 1: the fundamental structure of reality, where quantum laws govern matter, energy,
• 0:11
  Speaker 1: and information. Here, uncertainty is a feature, not a flaw,
• 0:16
  Speaker 1: and understanding begins at the smallest scales.
• 0:27
  Speaker 2: Right now, literally as you are listening to this, There
• 0:31
  Speaker 2: is a quantum computer just hurtling around the Earth at
• 0:36
  Speaker 2: something like 17,000 miles per hour.
• 0:39
  Speaker 3: Yeah, it's wild.
• 0:40
  Speaker 2: Which, it's up there in low Earth orbit, actively operating.
• 0:44
  Speaker 3: Which, I mean, that defies pretty much everything we know
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  Speaker 3: about how incredibly fragile and, you know, delicate these machines
• 0:50
  Speaker 3: are supposed to be.
• 0:50
  Speaker 2: Oh, I should say. I'm your host, and sitting across
• 0:53
  Speaker 2: from me is our resident expert on all things quantum
• 0:56
  Speaker 2: and orbital.
• 0:57
  Speaker 3: Glad to be here. And yeah, you are totally right.
• 1:00
  Speaker 3: It's a massive historical first. I mean, we are talking
• 1:03
  Speaker 3: about taking technology that normally demands these completely pristine, vibration-free,
• 1:10
  Speaker 3: temperature-controlled laboratory conditions down here on Earth.
• 1:13
  Speaker 2: The golden chandeliers in basements.
• 1:15
  Speaker 3: Exactly. And just strapping it to a rocket bound for
• 1:18
  Speaker 3: literally one of the most hostile environments imaginable.
• 1:21
  Speaker 2: The idea that this didn't just instantly shatter into a
• 1:24
  Speaker 2: million pieces is just wild to me. But before we
• 1:27
  Speaker 2: even get into the physical survival of this machine, we
• 1:32
  Speaker 2: have to look at the motive, right?
• 1:33
  Speaker 3: The why, yeah.
• 1:34
  Speaker 2: Like satellites have been doing fine for decades. Why go
• 1:37
  Speaker 2: through the monumental headache of putting a highly sensitive quantum
• 1:40
  Speaker 2: machine in orbit to begin with?
• 1:42
  Speaker 3: Well, it really comes down to a colossal data bottleneck.
• 1:45
  Speaker 3: You have to realize we have thousands of satellites dedicated
• 1:48
  Speaker 3: to Earth observation right now.
• 1:50
  Speaker 2: Right, taking pictures and stuff.
• 1:52
  Speaker 3: Yeah, but way more than just pictures. They are tracking
• 1:55
  Speaker 3: shifting weather patterns, measuring crop health, monitoring environmental disasters, gathering intelligence.
• 2:01
  Speaker 3: The sheer volume of raw data they collect every single
• 2:04
  Speaker 3: second is staggering.
• 2:05
  Speaker 2: Because they aren't just snapping like simple JPEGs, right? They're
• 2:09
  Speaker 2: capturing massive amounts of multidimensional data.
• 2:12
  Speaker 3: Hyperspectral imaging is a really great example of this. A
• 2:15
  Speaker 3: satellite isn't just looking at the visible light spectrum like
• 2:18
  Speaker 3: our eyes do. It's actually measuring thousands of specific wavelengths
• 2:22
  Speaker 3: of light across millions of pixels. So it can detect
• 2:25
  Speaker 3: things like subtle methane leaks or ocean temperature variances.
• 2:29
  Speaker 1: Wow.
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  Speaker 2: Okay.
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  Speaker 3: But the problem is, the satellite itself is essentially just
• 2:33
  Speaker 3: a giant floating eyeball. It collects all this raw, really
• 2:37
  Speaker 3: heavy data, but to actually make any sense of it,
• 2:40
  Speaker 3: it has to beam it all the way back down
• 2:42
  Speaker 3: to ground stations on Earth for processing.
• 2:45
  Speaker 2: I was actually trying to picture the scale of this.
• 2:47
  Speaker 2: And it feels a bit like, you know, being at
• 2:49
  Speaker 2: a concert, recording a massive, uncompressed, hour-long 4K video on
• 2:53
  Speaker 2: your phone.
• 2:54
  Speaker 3: Oh, that's a good analogy.
• 2:55
  Speaker 2: And then trying to text that raw file to a
• 2:57
  Speaker 2: friend using an old spotty 3G cell connection. Like you
• 3:01
  Speaker 2: are just going to clog up the entire network.
• 3:03
  Speaker 3: Exactly. It would take days and your phone would probably crash.
• 3:08
  Speaker 3: That captures the frustration perfectly. Our global communication networks are
• 3:12
  Speaker 3: literally choking on this orbital data.
• 3:15
  Speaker 2: Because there's just too much of it.
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  Speaker 3: Way too much. You can only beam so much down
• 3:20
  Speaker 3: at a time because transmission speeds are limited. Plus, the
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  Speaker 3: window for a satellite to communicate with a specific ground
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  Speaker 3: station as it flies overhead is incredibly short.
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  Speaker 2: It's just zooming past.
• 3:31
  Speaker 1: Right.
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  Speaker 3: So what you really want is to edit that 4K
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  Speaker 3: video down on your phone first. You know, crop it,
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  Speaker 3: pull out the most important five seconds, and only send
• 3:39
  Speaker 3: that tiny finished clip.
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  Speaker 2: That makes total sense.
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  Speaker 3: So we need satellites to process their own data in
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  Speaker 3: situ right there on the device and only beam down
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  Speaker 3: the specific insight we are actually looking for.
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  Speaker 2: Wait, hold on though. If that's the goal, why do
• 3:54
  Speaker 2: we need quantum technology? Why couldn't we just take the
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  Speaker 2: kind of wildly powerful microchip you find in a high-end
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  Speaker 2: laptop or, I don't know, a server farm, shield it
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  Speaker 2: really well, and put that on the satellite?
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  Speaker 3: It comes down to power constraints and, honestly, the nature
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  Speaker 3: of the math. A traditional microchip, no matter how powerful
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  Speaker 3: it is, processes information linearly.
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  Speaker 1: Right.
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  Speaker 2: One calculation at a time. Exactly.
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  Speaker 3: It reads ones and zeros in sequence. So to process
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  Speaker 3: the massive multidimensional arrays of data these sensors capture, a
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  Speaker 3: classical chip would have to run millions of calculations, one
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  Speaker 3: after the other.
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  Speaker 2: Which takes a lot of juice.
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  Speaker 3: An immense amount of electricity, which a solar-powered satellite just
• 4:34
  Speaker 3: does not have. And worse, it generates a tremendous amount
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  Speaker 3: of heat.
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  Speaker 2: Oh, right, and there's no air in space to fan
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  Speaker 2: it away.
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  Speaker 3: Precisely. Venting heat in the vacuum of space is incredibly difficult.
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  Speaker 2: So a traditional supercomputer would basically just melt itself or
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  Speaker 2: drain the satellite's battery instantly?
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  Speaker 3: Yeah, pretty much. But quantum computers, on the other hand,
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  Speaker 3: process probabilities simultaneously rather than sequentially.
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  Speaker 2: Okay.
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  Speaker 3: They can sift through vast, complex datasets and isolate specific
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  Speaker 3: variables incredibly fast and with far less energy per calculation.
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  Speaker 3: They just don't have to brute force the math the
• 5:11
  Speaker 3: way classical chips do.
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  Speaker 2: Okay, so that makes sense. We need a machine that
• 5:15
  Speaker 2: can do the heavy lifting without the huge power draw. But,
• 5:19
  Speaker 2: and this is where I get stuck, every quantum computer
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  Speaker 2: I have ever seen is, like I said earlier, a
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  Speaker 2: giant freezing cold golden chandelier hanging in some university basement.
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  Speaker 3: Yeah, the classic superconducting systems.
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  Speaker 2: Right. They require temperatures colder than deep space just to
• 5:34
  Speaker 2: function on Earth, just to keep their wires from losing
• 5:37
  Speaker 2: the quantum state. So how do you shrink a fragile,
• 5:40
  Speaker 2: freezing chandelier down... and make it sturdy enough to survive
• 5:43
  Speaker 2: a rocket launch?
• 5:45
  Speaker 3: Well, you abandon the superconducting wires entirely.
• 5:48
  Speaker 2: Oh.
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  Speaker 3: Yeah. The team behind this milestone, led by Philip Walther
• 5:52
  Speaker 3: over at the University of Vienna, they took a completely
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  Speaker 3: different route. They built a quantum photonic processor.
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  Speaker 2: Photonic. Meaning it runs on light.
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  Speaker 3: Exactly. Individual particles of light, or photons, act as the
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  Speaker 3: quantum bits, the qubits. By using light instead of electrons
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  Speaker 3: and electrical currents, the entire system can be built out
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  Speaker 3: of really compact optical hardware. You completely bypass the need
• 6:17
  Speaker 3: for those massive absolute zero cooling systems.
• 6:20
  Speaker 2: I really want to make sure I am visualizing this
• 6:23
  Speaker 2: correctly for you listening, because building a computer out of
• 6:27
  Speaker 2: light just sounds like sci-fi magic. The physical mechanism here,
• 6:32
  Speaker 2: it starts with a laser, right?
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  Speaker 3: It starts with a laser shining through a specialized nonlinear crystal.
• 6:38
  Speaker 2: A crystal?
• 6:39
  Speaker 1: Yeah.
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  Speaker 3: And when the laser hits this crystal, the physical interaction
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  Speaker 3: generates pairs of entangled photons. These individual light particles are
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  Speaker 3: essentially our raw computational material.
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  Speaker 2: Got it.
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  Speaker 3: And once they are generated, they get fed into a
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  Speaker 3: microscopic integrated glass circuit.
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  Speaker 2: A glass circuit? Like a tiny fiber optic maze?
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  Speaker 3: Very similar, yeah. It is a microscopic maze of pathways
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  Speaker 3: etched right into the glass. So the photons zip through
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  Speaker 3: these pathways. But to actually perform a calculation, you have
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  Speaker 3: to control how the light moves.
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  Speaker 2: Right. You can't just let them run wild.
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  Speaker 3: Exactly. And this is where the engineering gets incredibly clever.
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  Speaker 3: Integrated directly into this glass chip are microscopic thermal heaters.
• 7:21
  Speaker 2: Wait, tiny heaters? How does changing the temperature of glass
• 7:25
  Speaker 2: do math?
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  Speaker 3: It's all about the speed of light. When you apply
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  Speaker 3: a tiny, highly precise amount of heat to a specific
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  Speaker 3: pathway in the glass, the glass expands infinitesimally, and its
• 7:35
  Speaker 3: refractive index actually changes.
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  Speaker 2: Okay, so it alters the glass itself.
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  Speaker 3: Right, which means light traveling through that specific heated path
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  Speaker 3: slows down by a fraction of a fraction of a percent.
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  Speaker 2: Okay, I'm following.
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  Speaker 3: So that tiny delay shifts the phase of the light wave.
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  Speaker 3: So when that photon reaches an intersection in the maze
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  Speaker 3: and meets another photon, their phases determine how they interact.
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  Speaker 2: Oh, like how waves in a pool crash into each other. Exactly.
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  Speaker 3: If the peaks of their waves align, they amplify each other.
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  Speaker 3: If a peak meets a trough, they cancel each other out.
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  Speaker 3: This is called quantum interference. Wow. By carefully controlling those
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  Speaker 3: microscopic heaters, you control the phase shifts, which dictates the
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  Speaker 3: interference patterns. Mathematically, that interference acts exactly like a logic
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  Speaker 3: gate in a standard computer. You are literally performing complex
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  Speaker 3: algebra by bouncing light waves together.
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  Speaker 2: So the heaters are essentially acting as microscopic traffic lights. Yes.
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  Speaker 2: You have these individual particles zipping through the glass, and
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  Speaker 2: this thermal traffic system is dynamically shifting, slowing particles down
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  Speaker 2: just enough so they crash into each other in highly specific,
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  Speaker 2: controlled ways to give us an answer.
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  Speaker 3: That is a phenomenal way to visualize it. And because
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  Speaker 3: the final step is just catching the light that emerges
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  Speaker 3: at the end of the maze using highly sensitive detectors,
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  Speaker 3: the entire apparatus is remarkably compact and elegant.
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  Speaker 2: Elegant on a lab table in Vienna is one thing, though.
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  Speaker 2: Fair point. Getting it to orbit is a whole different reality.
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  Speaker 2: Space does not care how elegant your traffic control system is.
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  Speaker 2: June 23rd, 2025. This delicate glass maze and its microscopic
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  Speaker 2: heaters get loaded aboard a SpaceX Falcon 9 rocket.
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  Speaker 3: And the violence of a rocket launch cannot be overstated.
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  Speaker 2: It's basically controlled explosion.
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  Speaker 3: Exactly. You are taking nanometer-precise optical pathways and subjecting them
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  Speaker 3: to extreme acoustic shockwaves, sustained crushing g-forces, and violent vibrations
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  Speaker 3: as you just hurl the payload out of the atmosphere.
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  Speaker 2: And even if you survive the ride up, the destination
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  Speaker 2: is brutal. We are talking about a vacuum that can
• 9:41
  Speaker 2: cause materials to warp, plus high levels of radiation that
• 9:44
  Speaker 2: can just scramble sensitive electronics. But the biggest threat to
• 9:48
  Speaker 2: this specific machine has to be the temperature, right?
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  Speaker 3: Oh, absolutely. Thermal cycling is the silent killer in low
• 9:54
  Speaker 3: Earth orbit. A satellite orbiting the Earth moves from the blinding,
• 9:58
  Speaker 3: unfiltered heat of direct sunlight sunlight into the freezing, pitch
• 10:02
  Speaker 3: black shadow of the Earth every 90 minutes or so.
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  Speaker 2: 90 minutes? That's so fast.
• 10:07
  Speaker 3: Yeah, and the external temperature can swing hundreds of degrees
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  Speaker 3: in that time.
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  Speaker 2: And if your entire computer relies on applying hyperspecific, microscopic
• 10:15
  Speaker 2: amounts of heat to glass to shift the speed of light,
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  Speaker 2: Massive external temperature swings would just wreck the math. The
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  Speaker 2: whole chip would be expanding and contracting chaotically.
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  Speaker 3: It is an absolute nightmare for optical stability. So when
• 10:29
  Speaker 3: the satellite finally reached orbit and the team booted up
• 10:32
  Speaker 3: the system, it was honestly no surprise that they had
• 10:35
  Speaker 3: taken a massive hit. Oh, no.
• 10:37
  Speaker 2: What happened?
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  Speaker 3: Well, the system relied on six single-photon detectors. Those are
• 10:41
  Speaker 3: the ultra-sensitive sensors at the end of the maze that
• 10:44
  Speaker 3: catch the light to read the final calculation.
• 10:46
  Speaker 1: Right.
• 10:47
  Speaker 2: And they turned it on to find out three of
• 10:49
  Speaker 2: them were completely dead.
• 10:50
  Speaker 1: Yeah.
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  Speaker 3: Half of their detection capability was wiped out instantly, likely
• 10:54
  Speaker 3: from the mechanical stress at the launch or just the
• 10:56
  Speaker 3: sudden harsh realities of the orbital environment.
• 10:59
  Speaker 2: I have to ask, if 50% of your sensors are
• 11:03
  Speaker 2: dead on arrival, how is this not classified as an
• 11:05
  Speaker 2: immediate catastrophic failure? Like, how do you even perform complex
• 11:10
  Speaker 2: quantum algorithms when half the cameras meant to read the
• 11:13
  Speaker 2: results are smashed?
• 11:14
  Speaker 3: Well, the short answer is you can't perform the complex algorithms.
• 11:18
  Speaker 1: Oh.
• 11:18
  Speaker 3: The loss of those detectors meant multi-qubit entanglement protocols, which
• 11:22
  Speaker 3: require reading the output across all the different exit paths simultaneously.
• 11:26
  Speaker 3: Those were completely off the table.
• 11:28
  Speaker 2: So they were stuck.
• 11:30
  Speaker 3: But the mission was not a failure because engineering for
• 11:33
  Speaker 3: space is all about adaptability. The fundamental core of the
• 11:37
  Speaker 3: machine was intact. The laser still worked. The crystal was
• 11:40
  Speaker 3: still generating photon pairs. And the glass maze hadn't shattered.
• 11:44
  Speaker 2: So they basically had to rewrite the playbook on the fly. Exactly.
• 11:49
  Speaker 2: They have this incredibly advanced machine, but they're suddenly forced
• 11:52
  Speaker 2: to figure out what they can accomplish with one hand
• 11:55
  Speaker 2: tied behind their back.
• 11:56
  Speaker 3: And they pivoted brilliantly. Over the next eight months, they
• 11:59
  Speaker 3: focused entirely on using the three working detectors to prove
• 12:02
  Speaker 3: that the foundational physics of their machine held up in space.
• 12:05
  Speaker 2: Okay, so back to basics.
• 12:07
  Speaker 3: Right. They reprogrammed the thermal heaters to run fundamental benchmark tests.
• 12:11
  Speaker 3: And the most critical of these was proving they could
• 12:13
  Speaker 3: still achieve what is known as two-photon interference.
• 12:17
  Speaker 2: Break that down for me. What is two-photon interference, and
• 12:20
  Speaker 2: why is it so important?
• 12:22
  Speaker 3: So it's also known as the Hong-O-Mandel effect, and it
• 12:25
  Speaker 3: is the ultimate proof of quantum coherence. If you send
• 12:29
  Speaker 3: two identical photons into a beam splitter, an intersection in
• 12:32
  Speaker 3: our glass maze, from two different input paths, classical physics
• 12:36
  Speaker 3: says they should bounce randomly. They might. Both go left,
• 12:39
  Speaker 3: both go right, or split up.
• 12:41
  Speaker 2: Just a coin toss.
• 12:42
  Speaker 3: Exactly. But in the quantum world, because of their wave nature,
• 12:46
  Speaker 3: they interfere. If they are perfectly identical and perfectly timed,
• 12:50
  Speaker 3: the probability of them splitting up drops to zero.
• 12:53
  Speaker 2: Wait, really zero?
• 12:55
  Speaker 3: Zero. They will always bunch together and exit the same
• 12:58
  Speaker 3: path as a single quantum state.
• 13:00
  Speaker 2: So they essentially merge and just refuse to leave each
• 13:03
  Speaker 2: other's side.
• 13:04
  Speaker 3: Yeah, that's exactly it. And it is the bedrock of
• 13:07
  Speaker 3: optical quantum computing. Generating this effect requires the environment to
• 13:10
  Speaker 3: be incredibly stable.
• 13:12
  Speaker 2: Which space is not.
• 13:13
  Speaker 3: Right. Any vibration, any temperature variance that alters the path
• 13:17
  Speaker 3: by even a fraction of a nanometer destroys the interference.
• 13:21
  Speaker 3: The photons lose their quantum link and act like normal
• 13:23
  Speaker 3: random particles again.
• 13:25
  Speaker 2: And they managed to pull this off up there. They
• 13:27
  Speaker 2: maintained that perfect microscopic stability while the entire spacecraft was vibrating,
• 13:32
  Speaker 2: getting blasted by radiation, and dealing with wild thermal swings
• 13:36
  Speaker 2: in orbit?
• 13:37
  Speaker 3: Yes. Doing it in low Earth orbit with the three
• 13:40
  Speaker 3: detectors they had left is a staggering achievement. It definitively
• 13:44
  Speaker 3: proves that the fundamental physics of photonic quantum processing can
• 13:48
  Speaker 3: be harnessed in space.
• 13:50
  Speaker 2: It really is an incredible testament to the engineering. But
• 13:54
  Speaker 2: I am going to challenge the timeline here a bit.
• 13:56
  Speaker 3: Go for it.
• 13:57
  Speaker 2: If they lost half their sensors on day one and
• 14:00
  Speaker 2: they had to pivot to running what are essentially fundamental
• 14:02
  Speaker 2: benchmark tests, like the quantum version of a Hello World program,
• 14:07
  Speaker 2: Aren't we still decades away from my GPS or my
• 14:10
  Speaker 2: weather app actually using quantum process satellite data? It kind
• 14:15
  Speaker 2: of sounds like they are fighting a losing battle against
• 14:18
  Speaker 2: the physics of outer space.
• 14:20
  Speaker 3: It is undoubtedly a steep hill to climb.
• 14:22
  Speaker 2: You're not wrong.
• 14:24
  Speaker 3: What they achieved over those eight months is just step one.
• 14:27
  Speaker 3: And you are totally right to point out the harsh
• 14:29
  Speaker 3: reality because over those eight months, the team actually documented
• 14:33
  Speaker 3: a gradual degradation of the surviving components.
• 14:36
  Speaker 2: So the environment is just slowly eating the machine.
• 14:40
  Speaker 3: Pretty much. Ionizing radiation in low Earth orbit tends to
• 14:44
  Speaker 3: darken optical glass over time.
• 14:46
  Speaker 2: Oh, interesting.
• 14:47
  Speaker 3: Yeah, and as the glass darkens, it absorbs more light
• 14:50
  Speaker 3: instead of letting it pass through. This reduces the coincidence rate,
• 14:53
  Speaker 3: which is essentially a measure of how efficiently the system
• 14:56
  Speaker 3: can detect those paired photons.
• 14:58
  Speaker 2: So the signal gets weaker.
• 15:00
  Speaker 3: The signal-to-noise ratio drops. If you are trying to run
• 15:03
  Speaker 3: a real-world sustained data processing task, The computer needs to
• 15:07
  Speaker 3: hold up without the signal dropping so low that the
• 15:09
  Speaker 3: calculation just fails entirely.
• 15:11
  Speaker 2: So the machine is literally going blind the longer it
• 15:14
  Speaker 2: stays up there.
• 15:15
  Speaker 3: Yes. Better shielding, more robust components, and highly reliable photon
• 15:20
  Speaker 3: detectors that can survive a rocket launch, those are absolute
• 15:23
  Speaker 3: necessities before this becomes a standard tool.
• 15:25
  Speaker 2: Right.
• 15:26
  Speaker 3: But we cannot underestimate what breaking the seal actually means.
• 15:30
  Speaker 3: The ultimate goal here, the next major frontier the researchers
• 15:34
  Speaker 3: are pushing toward, is what they call closing the loop.
• 15:37
  Speaker 2: Closing the loop. Meaning what exactly? Connecting it to the
• 15:41
  Speaker 2: rest of the satellite? Exactly.
• 15:43
  Speaker 3: Right now, the quantum processor is isolated. It generates its
• 15:46
  Speaker 3: own photons, runs them through the maze, and reads them.
• 15:49
  Speaker 3: It is essentially talking to itself.
• 15:51
  Speaker 2: Like a closed experiment.
• 15:52
  Speaker 3: Right. Closing the loop means coupling the satellite's actual observation
• 15:57
  Speaker 3: sensors directly to the quantum chip. Oh, wow.
• 16:00
  Speaker 2: So instead of taking a massive hyperspectral image of a hurricane,
• 16:04
  Speaker 2: saving it as a giant data file and trying to
• 16:06
  Speaker 2: process it, the satellite takes the literal light from the
• 16:10
  Speaker 2: hurricane and feeds it straight into the optical glass maze.
• 16:14
  Speaker 3: The sensor data is encoded directly into the quantum circuit.
• 16:17
  Speaker 2: That's insane!
• 16:19
  Speaker 3: The computation happens instantly as the light passes through the processor.
• 16:22
  Speaker 3: When we achieve that, we are looking at a complete
• 16:25
  Speaker 3: paradigm shift in orbital architecture. We move away from satellites
• 16:29
  Speaker 3: being passive eyes in the sky that rely on Earth
• 16:31
  Speaker 3: to do all the thinking.
• 16:33
  Speaker 2: They become autonomous brains in the sky. Exactly. They could
• 16:37
  Speaker 2: monitor global weather patterns in real time, instantly filter out
• 16:40
  Speaker 2: the terabytes of useless background noise, and only send an
• 16:44
  Speaker 2: alert to a ground station when a highly specific anomaly,
• 16:47
  Speaker 2: like the exact signature of a methane leak, is detected.
• 16:50
  Speaker 3: And the data bottleneck completely vanishes.
• 16:52
  Speaker 2: That is huge.
• 16:54
  Speaker 3: They will be able to autonomously coordinate with a constellation
• 16:57
  Speaker 3: of other satellites to track environmental disasters, you know, without
• 17:01
  Speaker 3: ever waiting for instructions from ground control. This mission laid
• 17:05
  Speaker 3: the foundation for that future.
• 17:06
  Speaker 2: It is a phenomenal journey. I mean, we started with
• 17:08
  Speaker 2: this massive problem on Earth. Our communication networks choking on
• 17:12
  Speaker 2: the sheer weight of raw satellite data. And the solution
• 17:16
  Speaker 2: was to build a computer out of light. bypassing the
• 17:19
  Speaker 2: freezing temperatures of traditional quantum machines.
• 17:22
  Speaker 3: A very elegant solution.
• 17:23
  Speaker 2: A delicate, microscopic glass maze that survived the violent acoustic
• 17:29
  Speaker 2: shock waves of a rocket launch, adapted when half of
• 17:32
  Speaker 2: its sensors were destroyed, and successfully proved that quantum wave
• 17:36
  Speaker 2: mechanics can be harnessed in the harsh vacuum of low
• 17:39
  Speaker 2: Earth orbit.
• 17:40
  Speaker 3: It proved the physics work. The engineering just has to
• 17:44
  Speaker 3: catch up now.
• 17:45
  Speaker 2: But I want to leave you with a final thought
• 17:47
  Speaker 2: to mull over. Because the implications here go way beyond Earth.
• 17:52
  Speaker 2: We have been talking entirely about satellites looking down at us.
• 17:55
  Speaker 2: But if we can successfully build and shield quantum brains
• 17:59
  Speaker 2: that operate and survive in the radiation and vacuum of space,
• 18:03
  Speaker 2: what happens when we turn them around and point them outward?
• 18:07
  Speaker 3: Oh, the applications for deep space exploration are where this
• 18:10
  Speaker 3: technology truly becomes revolutionary.
• 18:13
  Speaker 1: Right.
• 18:14
  Speaker 2: Think about our current deep space probes. If we send
• 18:16
  Speaker 2: a probe out to the edge of the solar system,
• 18:19
  Speaker 2: it takes hours, sometimes almost a full day just for
• 18:22
  Speaker 2: a single radio signal to travel back to Earth.
• 18:24
  Speaker 3: And another full day for our instructions to reach the probe.
• 18:28
  Speaker 2: It is practically flying blind.
• 18:30
  Speaker 3: And if we ever send a probe to another solar system,
• 18:33
  Speaker 3: the communication delay would be measured in years. We absolutely
• 18:36
  Speaker 3: cannot micromanage an interstellar mission.
• 18:38
  Speaker 2: But what if that probe was equipped with a fully
• 18:41
  Speaker 2: stable photonic quantum computer? It wouldn't need to call home
• 18:45
  Speaker 2: and ask us what to do when it encounters an
• 18:47
  Speaker 2: unexpected atmospheric anomaly on a distant exoplanet.
• 18:50
  Speaker 3: It could process those massive unprecedented data sets autonomously.
• 18:54
  Speaker 2: Instantly sifting through the noise to make incredibly high level
• 18:57
  Speaker 2: complex decisions light years away in the dark.
• 19:01
  Speaker 3: It transitions our spacecraft from being just remote controlled extensions
• 19:04
  Speaker 3: of our senses into truly independent, intelligent explorers.
• 19:09
  Speaker 2: And the groundwork for that autonomous future was just laid
• 19:11
  Speaker 2: by a few microscopic heaters. and some particles of light
• 19:15
  Speaker 2: orbiting just a few hundred miles above our heads. Thank
• 19:18
  Speaker 2: you so much for joining us for this conversation. Keep
• 19:21
  Speaker 2: your eyes on the stars, and we will catch you
• 19:23
  Speaker 2: next time.