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Still need to Hit 77 Kelvin. It works best at 20 Kelvin.
77 K = -196 C = -321 F (liquid nitrogen)
20 K = -253 C = -423 F
These ain't room temperature
__________________
James
The pessimist complains about the wind; the optimist expects it to change; the engineer adjusts the sails.- William Arthur Ward (1921-1994)
Red-beard for President, 2020
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