The “rolling shutter” effect — which explains how your phone takes pictures — is fascinating science. And this video offers a really excellent explanation of how it works, courtesy of Destin Sandlin:
The side by side images are just incredible to watch. Makes you wish all this was available back when you were in high school, doesn’t it?
By the way, if you’re not already subscribed to Smarter Every Day, you’re missing out. It’s one of the best science-y channels out there.
(Thanks to Ed for the link)