Glass is Solid… So Why Is It Clear?

Thank you to CuriosityStream for supporting PBS! For more information, go to https://curiositystream.com/smart and USE code SMART.↓↓↓ More info and sources below ↓↓↓Uploaded 23-12-20PBS Member Stations rely on viewers like you. To support your local station, go to: http://to.pbs.org/DonateOKAYFollow me to Overview on PBS Terra! https://www.youtube.com/watch?v=hjez0W8SPXc Glass is made of sand, which is a kind of rock. But glass is transparent, and rocks aren’t transparent. What’s up with that? Why is glass clear? And why can I sit on a chair? And why can we touch anything? Today we zoom down to the weird world of electron clouds and quantum touching to find the answers.We’re on PATREON! Join the community ►► https://www.patreon.com/itsokaytobesmartSUBSCRIBE so you don’t miss a video! ►► http://bit.ly/iotbs_sub-----------Special thanks to our Brain Trust Patrons:Ahmed ElkhananyEmile EdhouseZenimalSalih ArslanBaerbel WinklerDenzel HolmesRobert YoungAmy SowadaBenjamin TeinbyEric MeerJay StephensPeter EhrnstromOliver and Arden BradshawDustinMarcus TuepkerGeorge gladdingvincbis .Karen HaskellAlecZero Diego LombeidaZenimalJoin us on Patreon! https://patreon.com/itsokaytobesmartTwitter http://www.twitter.com/DrJoeHansonhttp://www.twitter.com/okaytobesmart Instagram http://www.instagram.com/DrJoeHanson http://www.instagram.com/okaytobesmart Merchhttps://store.dftba.com/collections/its-okay-to-be-smartFacebookhttps://www.facebook.com/itsokaytobesmartpbs/ Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices