SUBSCRIBE so you don’t miss a video! ►► http://bit.ly/iotbs_sub We’re on PATREON! Join the community https://www.patreon.com/itsokaytobesmart ↓↓↓ More info and sources below ↓↓↓ Humanity’s drive to explore our planet is one of the defining characteristics of our species. But exploration only works if you know where you are at any given time. Not so easy when you are out at sea with no visible landmarks and the stars above you are in constant motion. It turns out that the key to solving this puzzle is understanding that in order to know WHERE you are, you have to first know WHEN you are. References: https://sites.google.com/view/longitude-references/home ----------- High fives to all our Brain Trust Patrons: NullBlox.ZachryWilsn paul andre bouis Mark Littlehale Ali Freiburger Mehdi Damou Barbora Bei Burt Humburg Roy Lasris dani bowman David Johnston Salih Arslan Baerbel Winkler Robert Young Eric Meer Dustin Karen Haskell Join us on Patreon! https://patreon.com/itsokaytobesmart Twitter http://www.twitter.com/DrJoeHanson http://www.twitter.com/okaytobesmart Instagram http://www.instagram.com/DrJoeHanson http://www.instagram.com/okaytobesmart Merch null Facebook https://www.facebook.com/itsokaytobesmartpbs/