HackerTube / Video
A laser pointer at 2 billion fps makes the speed of light look... kinda weird
AlphaPhoenix
AlphaPhoenix shows off a new camera that films at two billion frames per second and uses it to film a laser pointer pulse. He investigates a strange quirk in how the speed of light appears on camera.
Referenced in threads about the two-billion-fps camera and equivalent-time sampling as an example of filming light moving.
3 Hacker News mentions · 2025–2026