April 2013
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I made this little reaction today
The pink solution is a solution of Cu+2, SO4-2, NO3- and Co(H2O)6+2
I added some NaOH and Cu(OH)2 precipitated!
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March 2013
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February 2013
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I remember discussions with Bohr which went through many hours till very late at...
– Werner Heisenberg in Physics and Philosophy (1958)
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The more you find out about the world, the more opportunities there are to laugh...
– Bill Nye