2.10.26 | Discord mandates face scan or ID, Sky color explanation, $3.88 Walmart clock converted to ESP8266 Wi-Fi clock

Hacker News Highlights · Feb 10, 2026 · 9m

This is a recap of the top 10 posts on Hacker News on Feb 10, 2026.

Feel free to leave feedback on Github: https://github.com/denolfe/hacker-news-highlights

(00:00) - Intro

(00:17) - Why is the sky blue?

(01:21) - Converting a $3.88 analog clock from Walmart into a ESP8266-based Wi-Fi clock

(02:40) - Another GitHub outage in the same day

(03:43) - Frontier AI agents violate ethical constraints 30–50% of time, pressured by KPIs

(05:02) - Sandboxels

(06:03) - Hard-braking events as indicators of road segment crash risk

(07:12) - Discord Alternatives, Ranked

(08:14) - Rust implementation of…