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:    • Ed and Tony Answer Some Questions on Sixty...   --- More links and info below ↓ ↓ ↓ Featuring Tony Padilla and Ed Copeland from the University of Nottingham. More videos with Ed:    • Ed Copeland - Sixty Symbols   More videos with Tony:    • Tony Padilla - Sixty Symbols   Where are the white holes? -    • Where are the White Holes? - Sixty Symbols   Patreon:   / sixtysymbols   This project features scientists from The University of Nottingham http://bit.ly/NottsPhysics We're on Facebook at   / sixtysymbols   And Twitter at   / sixtysymbols   Sixty Symbols videos by Brady Haran http://www.bradyharanblog.com Email list: http://eepurl.com/YdjL9