by lcarreau » Thu Sep 20, 2012 2:20 am
by lcarreau » Fri Nov 30, 2012 12:30 am
by lcarreau » Fri Nov 30, 2012 2:04 am
by dan2see » Fri Nov 30, 2012 3:58 am
Normally, an autumn leaf leaves its tree due to the abscission layer. The same thing makes an apple drop out of its tree.lcarreau wrote:My prediction is this thread will (now) drop like autumn leaves dipped in liquified iridium.
That's even hotter in Fahrenheit.Wikipedia wrote:Iridium is the chemical element with atomic number 77, and is represented by the symbol Ir. A very hard, brittle, silvery-white transition metal of the platinum family, iridium is the second-densest element (after osmium) and is the most corrosion-resistant metal, even at temperatures as high as 2000 °C.
So there's plenty down there.Wikipedia wrote: It is thought that the total amount of iridium in the planet Earth is much higher than that observed in crustal rocks, but as with other platinum group metals, the high density and tendency of iridium to bond with iron caused most iridium to descend below the crust when the planet was young and still molten.
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