How lighting conditions can induce a different per-frame exposure time in a camera and cause a stroboscopic + rolling shutter effect, well visualized by this gif [source: https://t.co/s0yYOfIAnF] pic.twitter.com/PBvMnPyKyx
This is how the penguin diagram name in quantum field theory was born: particle physicist John Ellis lost a bet playing darts at a bar and had to put the word penguin into his next paper. pic.twitter.com/vrc5ME13aA