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How do fireworks work? A pyrotechnics chemist explains the science behind the brilliant colors and...
The Conversation via Yahoo News Singapore· 7 hours agoTo make black powder, all you need to do is mix 75% potassium nitrate, 15% charcoal and 10% sulfur....
A Northern Lights cruise was the 60th birthday gift of a lifetime
Good Housekeeping UK via Yahoo Style Singapore· 10 hours agoWhile many people never catch a glimpse, I experienced one of the world’s most incredible natural...