Neil deGrasse Tyson Explains Measurements

Did you know there are certain measurements that will never be completely accurate? Neil deGrasse Tyson and comic co-host Chuck Nice dive into the minutiae of measurements in this original StarTalk video. Neil tells us why, for certain things, we will never be able to get their exact measurements. Find out about the kilogram and its recent change. We investigate the process of measuring the English coastline. And, you ll hear about the atomic clock – and Avocado s Number. (We know... just watch!) Support us on Patreon: https://www.patreon.com/startalkradio Subscribe to StarTalk: https://www.youtube.com/user/startalkradio?sub_confirmation=1 Follow StarTalk: Twitter: http://twitter.com/startalkradio Facebook: https://www.facebook.com/StarTalk Instagram: https://www.instagram.com/startalkradio/ About StarTalk: Science meets pop culture on StarTalk! Astrophysicist & Hayden Planetarium director Neil deGrasse Tyson, his comic co-hosts, guest celebrities & scientists discuss astronomy, physics, and everything else about life in the universe. Keep Looking Up! #StarTalk #NeilDeGrasseTyson 0:00 - Intro 0:08 - How Tall Is Chuck? 1:34 - Atomic Clocks 2:52 - Can You Know Exact Measurements? 7:36 - The Real Weight Of A Kilogram 9:40 - Avogadro s Number 10:35 - Closing Notes