Airplane mode was never just about planes: it combines a 1991 FCC network rule with an FAA interference rule dating to 1961July 29, 2026
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In 1911, the Dutch physicist Heike Kamerlingh Onnes cooled a thread of mercury to 4.2 kelvin in a bath of liquid helium and its electrical resistance vanished completely, and a current set circulating in a superconducting loop like that will still be flowing years later, indistinguishable from the day it beganJuly 24, 2026
