What is light?

We are so used to some things that we stopped wondering about them. Like light. What is light? Some kind of wavy thing, right? Kind of. Short bonus video for the people waiting for new stuff. Support us on Patreon so we can make more videos (and get cool stuff in return): https://www.patreon.com/Kurzgesagt?ty=h Steady: https://steadyhq.com/de/kurzgesagt Merchandise:  https://shop.kurzgesagt.org Newsletter: http://eepurl.com/cRUQxz Facebook: http://bit.ly/1NB6U5O Twitter: http://bit.ly/2DDeT83 Instagram: http://bit.ly/2DEN7r3 Discord: https://discord.gg/cB7ycdv The Voice of Kurzgesagt: Steve Taylor: http://voice-pool.com/en/english/ Music by: https://soundcloud.com/epicmountain/light https://epicmountainmusic.bandcamp.com/track/light www.epic-mountain.com THANKS A LOT TO OUR LOVELY PATRONS FOR SUPPORTING US: Phiroze Dalal, T0T0S, Ryan OHoro, Kay Brinkmann, A La Mode, Marcelo Fernandes de Souza Filho, Vince, Thomas Shiels, Tom Wardrop, Shawn Marincas, Pontus Attåsen, Paul, Horacio Medina, Jim Yang, Arnav Guleria, Clemens, Robert McKone, Tahseen Mushtaque, Todd Binkley, Jochen, Vahur S, Matthew von der Ahe, Thomas Russell, Erick, Vivek Kotecha, Nils Caspar, Holger Fassel, Artur Szczypta, Jeff Fellows, Daniel Duffee, Konstantin Shabashov, Jackson R Hanna, Tim drake, Pascal de Reuck, Mike Galles, ByeongWook Lee, Guus Ketelings, Franko Papić, Thalia, Narat Suchartsunthorn, Lorenz Zahn, Brian Aparicio, Jörg Vogelsang, Rashed Ali, Darwin Ranzone, Tyler Thornton, Bernat Unanue, David Pfister, Ash Patel, Han Saini, Ute Moll, Vrm Vee Are Em, Ioanna Bischinioti, Jenny Zhou, Vince Babbra, Dan Cortes, Matt K What is light? Help us caption & translate this video! http://www.youtube.com/timedtext_cs_panel?c=UCsXVk37bltHxD1rDPwtNM8Q&tab=2