Whistle while you work
How do fireworks whistle? Compound Interest explains the bangs, crackles, and whistles of fireworks.
#ScienceEveryday and #Happy4thofJuly
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July 5, 2016
Very good . the chemistry is worth studying.
July 5, 2016
What does the UK celebrate on the 5th of November with fireworks?
July 5, 2016
Dirk Webb, I think it’s Guy Fawkes Day.