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19:47
The Royal Swedish Academy of Sciences has decided to award
the 2018 Nobel Prize in Chemistry to
Frances H. Arnold
George P. Smith
Sir Gregory P. Winter
7
 
3 hours later…
22:28
6
Q: Can flames be colored black?

paracetamolMost of us here would know that flames can be colored by adding an appropriate salt to the 'fuel' or by simply introducing it into a flame. Boron and Barium salts give the flame a green tinge, Strontium colors it red, Sodium does gold, copper a bluish-green, etc, etc. Now from my (not-so-in-dept...


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