Diamonds are actually unstable at surface temperature and pressure. Every diamond above ground is very, very slowly altering into graphite, another form of pure carbon.
Luxury of Time Exhibition at National Museum of Scotland
A special display of rare and significant historical timepieces telling the story of a golden age of innovation in British watch and clockmaking will go on show at the National Museum of Scotland, Chambers Street, Edinburgh EH1 1JF, which runs to 26 January 2020. The Luxury of Time: Clocks from 1550-1750 features objects from the private collection of Dr John C Taylor OBE. The 25 objects to be shown demonstrate the golden age of British clock and watch-making and illustrate the delicate workmanship and incredible technical skills involved. Exquisitely made and decorated in precious metals, they were labour-intensive, luxury items… read more
Security is mostly a superstition. It does not exist in nature, nor do the children of men as a whole experience it. Avoiding danger is no safer in the long run than outright exposure. Life is either a daring adventure, or nothing.