Mind-Blowing Magic Magnets – Smarter Every Day 153
“Want to support on Patreon? ▶ http://bit.ly/25dKnXt Click here if you’re interested in subscribing▶ http://bit.ly/Subscribe2SED Get a free audio book! http:/… ” – My Comments : Amazing technology! In particular, check out magnetic “springs” and “latches” starting around ~5:45.