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Ubi bene ibi patria
Join Date: Jan 2007
Location: For the most part, in my garage.
Posts: 2,530
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Bose–Einstein condensate - though it may not necessarily fit the definition of 'man-made' substances - it sure is something different. Webby should be weighing in on this.
Cheers
JB
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“Two possibilities exist: either we are alone in the Universe or we are not - both are equally terrifying” ― Arthur C. Clarke
"As soon as laws are necessary for men, they are no longer fit for freedom." - Pythagoras
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