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How Do Blacklights Make Things Glow?

Join Hank Green as he explains why blacklights make some things glow!

Hosted by: Hank Green
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Sources:http://www.physics.org/article-questions.asp?id=66
http://sciencenotes.org/list-of-things-that-glow-under-black-light/
http://science.howstuffworks.com/innovation/everyday-innovations/black-light.htm
https://van.physics.illinois.edu/qa/listing.php?id=1913
http://antoine.frostburg.edu/chem/senese/101/consumer/faq/what-are-fluorescent-compounds.shtml

Images:
https://commons.wikimedia.org/wiki/File:Eve_Nightclub.jpg
https://commons.wikimedia.org/wiki/File:Black_light_bulb.jpg
https://commons.wikimedia.org/wiki/File:US_$20_under_blacklight.jpg
https://www.flickr.com/photos/tellumo/90141032

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