Support Vsauce, your brain, Alzheimer's research, and other YouTube educators by joining THE CURIOSITY BOX: a seasonal delivery of viral science toys made by Vsauce! A portion of all proceeds goes to Alzheimer's research and our Inquisitive Fellowship, a program that gives money and resources directly to growing science channels here on YouTube! https://www.curiositybox.com THE RULER IS NOW AVAILABLE BY ITSELF: https://www.curiositybox.com/products/inqs-astonishing-ruler MIND FIELD IS NOW FREE: SEASON 1: https://www.youtube.com/watch?v=iqKdEhx-dD4&list=PLZRRxQcaEjA4qyEuYfAMCazlL0vQDkIj2 SEASON 2: https://www.youtube.com/watch?v=1sl5KJ69qiA&list=PLZRRxQcaEjA7wmh3Z6EQuOK9fm1CqnJCI SEASON 3: https://www.youtube.com/watch?v=ktkjUjcZid0&list=PLZRRxQcaEjA7LX19uAySGlc9hmprBxfEP Hang out with me on D!NG: http://youtube.com/dingsauce PUPPET BY: @PuppetNerd Adam Kreutinger: https://www.instagram.com/adamkreutinger