Two weeks ago I carved a pumpkin and set it outside to watch it decompose. Well now that Halloween is over here is the before and after of my carved jack-o-lantern. It only lasted 6 days in the ...
The catalytic decomposition of hydrogen peroxide can be dangerous at high concentrations, but there is a safe version of Camille Schrier’s demonstration that is still fun. By Knvul Sheikh When she ...
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