Astronomy Common Knowledge Quiz.......
Quizzes & Puzzles1 min ago
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For more on marking an answer as the "Best Answer", please visit our FAQ.Hi dakota!
The darker the better to see the results. You don't need to wear an anorak for this by the way, and they won't light up the sky, but the effect is weird - the chemistry behind is apparently due to the crystals in sugar reacting to being rubbed together by the action of crushing. And its not a case of breaking a Polo and then standing back, but the result you see while breaking them - should be a blue light visible.
'The sweet tends to crack or break along planes that are oppositely charged. When these positive and negative charges try to get back together, these charges �jump� across the rift, like tiny lightning bolts.' quote about the reaction.
And triboluminescence is the result of light produced by friction - sparks in other words, like striking a match, etc. Don't know why they don't just say that, but a big word is darn impressive to drop into the conversation.
Happy cracking!
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