Last year the record was 6.0 HHz using liquid nitrogen:
This year the record waqs set with liquid helium at 6.5 GHz:
Liquid helium is not cheap, so this was an expensive experiment. Also, we may soon start running out of helium: Peak helium
by Marshall Brain | January 26, 2009
Last year the record was 6.0 HHz using liquid nitrogen:
This year the record waqs set with liquid helium at 6.5 GHz:
Liquid helium is not cheap, so this was an expensive experiment. Also, we may soon start running out of helium: Peak helium
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