Sixty Symbols | Yellow Street Lights - Sixty Symbols @sixtysymbols | Uploaded 8 years ago | Updated 10 hours ago
A look at sodium street lights. Featuring Dr Meghan Gray.
UV Light: https://youtu.be/u8xx-cfzAeA
Hydrogen Alpha: https://youtu.be/CH880_VrxxU

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This project features scientists from The University of Nottingham
http://bit.ly/NottsPhysics

Sixty Symbols videos by Brady Haran
http://www.bradyharanblog.com

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