Is Space a Thing?
Viewers like you help make PBS (Thank you š) . Support your local PBS Member Station here: https://to.pbs.org/PBSDSDonate Try 23andMe: http://www.23andme.com/okay Donāt miss our next video! SUBSCRIBE! āŗāŗ http://bit.ly/iotbs_sub āāā More info and sources below āāā Since the days of Ancient Greece, philosophers and scientists have been wondering: What is space? Is the absence of thingsā¦ a thing? These questions continued to fascinate physicists in the modern era, leading Isaac Newton, Ernst Mach, and Albert Einstein to wonder about the true nature of the fabric of the cosmos. The search for an answer led them to some of the greatest theories in physics. This week, we ask if space and time are really real, and how they come together to make āspacetimeā! ----------- READ MORE: āThe Fabric of the Cosmosā by Brian Greene http://amzn.to/2tF9fZO (Public library: http://www.worldcat.org/oclc/681349969) ----------- FOLLOW US: Merch: https://store.dftba.com/collections/its-okay-to-be-smart Facebook: http://www.facebook.com/itsokaytobesmart Twitter: @okaytobesmart @DrJoeHanson Tumblr: http://www.itsokaytobesmart.com Instagram: @DrJoeHanson Snapchat: YoDrJoe ----------- Itās Okay To Be Smart is hosted by Joe Hanson, Ph.D. Director: Andrew Matthews Writer: Andrew Matthews Producer/editor/animator: Andrew Matthews Producer: Stephanie Noone and Amanda Fox Produced by PBS Digital Studios Music via APM Stock images from Shutterstock http://www.shutterstock.com