3 ms·
"[...] have measured sulphur hydride superconducting at a temperature of 190 Kelvin (-83 degrees Celsius). There is a caveat, of course. The material has to be
by ableal 12y ago
"[...] have measured sulphur hydride superconducting at a temperature of 190 Kelvin (-83 degrees Celsius). There is a caveat, of course. The material has to be squeezed at pressures greater than 150 gigapascals — that’s about half the pressure at the centre of the Earth."
And 1.5 million times the atmospheric pressure at sea level ...
- colechristensen 12y agoPut in a different, less unreachable comparison, the yield strength of kevlar is 3.6 GPa (tension) and diamond forms between 4.5 and 6 GPa, w (compression) It's been 60 years since we first synthesized diamonds, and back then they were capable of generating 10 GPa, that's only a factor of 15.
- akiselev 12y agoAnother comparison: the highest pressure we can create without shock waves is 300-400 GPa with a diamond anvil cell [1]. With shock waves we can create momentary bursts of up to 100 TPa [1] http://en.wikipedia.org/wiki/Diamond_anvil_cell http://en.wikipedia.org/wiki/Diamond_anvil_cell