Map Shows Coldest Temperature Ever Recorded in Each State
The coldest U.S. temperature on record was in Prospect Creek, Alaska, on January 23, 1971, when the thermometer plunged to -80°F.
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Xinjiang Turpan: First Autonomous Drone Inspection at a Substation
On November 25th, at the 220 kV Jiaohe Substation operated by State Grid Turpan Power Supply Company, maintenance personnel initiated an autonomous drone inspection with the press of a remote control ...