Get my favorite brain food delivered to your door! null Feynman on rubber bands: https://www.youtube.com/watch?v=XRxAn2DRzgI Twitter: http://twitter.com/tweetsauce Instagram: http://instagr.am/electricpants Vsauce PO Box: PO Box 33168 L.A. CA 90033 **CREDITS** Hosted by Michael Stevens Edited by Hannah Canetti (https://www.instagram.com/hannaynaycanaynay/) VFX by Eric Langlay (null) Music by Jake Chudnow and from AudioNetwork (null) (https://www.audionetwork.com/) **VSAUCE LINKS** Vsauce1: null Vsauce2: null Vsauce3: null