Une balle qui rebondit indéfiniment ... ... ou presque.

Make a super trampoline by stretching a balloon membrane over the opening of a glass. Energy losses during the bounce are more than 10 times lower than for a super ball. As a bonus, at the end of the video, there's a tutorial for measuring energy losses during a ball's bounce by recording the bounces. An experiment to repeat at home. Thanks to Physics Season 3 Episode 12 -------------------------------------- "Thanks to Physics!" Is a member of the Café des sciences: https://www.cafe-sciences.org/ Writing, production: Jean-Michel Courty With the participation of Cécile Courty Find us on: Twitter:   / jmcourty   Facebook:   / jeanmichel.c.  . ---------------------- Music Enigma by Kevin MacLeod is licensed under a Creative Commons Attribution 4.0 Unported License. https://creativecommons.org/licenses/... Source: http://incompetech.com/music/royalty-... Intractable by Kevin MacLeod is licensed under a Creative Commons Attribution 4.0 Unported License. https://creativecommons.org/licenses/... Source: http://incompetech.com/music/royalty-... Artist: http://incompetech.com/