This Week, Chris Hardwick helps us make glowsticks-you know, those fluorescent things that you absolutely had to have with you at concerts when you were 13. What makes a glowstick so pretty and glowy? When you snap the stick and shake it up, two liquids combine in what can be thought of as an industrial version of a firefly mating dance. It's called chemiluminescence, the production of light from chemistry.moreless
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