How floppy discs worked

https://www.youtube.com/watch?time_continue=1&v=EHRc-QMoUE4

The 8-Bit Guy's 15-minute explainer on floppy discs is a great potted history of 80s- and 90s-era storage media (it follows his segment on tape-drives) and the way that competitors learned from each others' mistakes and dead-ends, and engineered clever solutions to one of computing's most serious challenges. (via Motherboard)