"Visualizing video at the speed of light — one trillion frames per second" (2011; MIT) https://youtube.com/watch?v=EtsXgODHMWk&

"Single-shot real-time femtosecond imaging of temporal focusing" (2018) https://www.nature.com/articles/s41377-018-0044-7

"Filming the Speed of Light at 10 Trillion FPS" (2019; The Slow Mo Guys) https://youtube.com/watch?v=7Ys_yKGNFRQ&

OT video: "A laser pointer at 2 billion fps makes the speed of light look... kinda weird" (2025; AlphaPhoenix) https://youtube.com/watch?v=o4TdHrMi6do&

TLDR: the camera actually records in real time, but only 1 pixel at a time.

So he needs 1 recording for each pixel.

The sensor is uber sensitive, as in 1 photon.