IN a paper communicated to the Royal Society last May I described some experiments to show that the open air and the air of ordinary rooms do not generally contain crystals of the various salts which ...
THE history of the various views held by different experimenters on the nuclear action of substances in exciting the sudden crystallisation of a supersaturated solution, has been already so well ...
This news release is available in German. Historic stone buildings are tourist magnets. The Jordanian rock city of Petra, the medieval town of Rhodes in the Aegean Sea and the sandstone temples at ...
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