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Currently Playing: What is a Photon? - Sixty Symbols

Explaining a photon at varying levels of difficulty. Another viewer question tackled by Ed and Tony. More from this Q and A session: https://www.youtube.com/playlist?list=PLcUY9vudNKBNLpmQg4SSZ6tMsyDldilnA --- More links and info below ↓ ↓ ↓ Featuring Tony Padilla and Ed Copeland from the University of Nottingham. More videos with Ed: https://www.youtube.com/playlist?list=PLcUY9vudNKBNtF1y-sneLuyCTE-Mda561 More videos with Tony: https://www.youtube.com/playlist?list=PLcUY9vudNKBPJmX64Jay51cdZTKMz4ACs Where are the white holes? - https://youtu.be/cGHDl_HqdAg Patreon: https://www.patreon.com/sixtysymbols This project features scientists from The University of Nottingham http://bit.ly/NottsPhysics We're on Facebook at http://www.facebook.com/sixtysymbols And Twitter at http://twitter.com/sixtysymbols Sixty Symbols videos by Brady Haran http://www.bradyharanblog.com Email list: http://eepurl.com/YdjL9