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Nuclear icebreaker Yamal, 2015. A nuclear-powered icebreaker is an icebreaker with an onboard nuclear power plant that produces power for the vessel's propulsion system. . Although more expensive to operate, nuclear-powered icebreakers provide a number of advantages over their diesel-powered counterparts, especially along the Northern Sea Route where diesel-powered icebreaker operations are ...
An impact winter is a hypothesized period of prolonged cold weather due to the impact of a large asteroid or comet on the Earth's surface. If an asteroid were to strike land or a shallow body of water, it would eject an enormous amount of dust, ash, and other material into the atmosphere , blocking the radiation from the Sun .
The effects of trying to make others believe the results of the models on nuclear winter, does not appear to have decreased either country's nuclear stockpiles in the 1980s, [186] only the failing Soviet economy and the dissolution of the country between 1989 and 1991 which marks the end of the Cold War and with it the relaxation of the "arms ...
Overall, the Climate Prediction Center, in its most recent winter forecast, said that despite the current eastern chill, a milder-than-average winter was still likely for the eastern and southern U.S.
The Breakers mansion was commissioned to be built by railroad tycoon Cornelius Vanderbilt II in 1893 and quickly became the summer home for the Vanderbilt family for generations to come,
Such devices may be found in the form of either a circuit breaker, known as an earth-leakage circuit breaker (ELCB), or built into a socket (aka receptacle). Voltage-operated ELCBs can still be found in the wild, though these largely fell out of favour after the invention of the current-sensing based RCD (aka GFCI) technology.
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On Christmas 2020, Polar Star reached 72 degrees 11 minutes north, the farthest north any US government surface vessel has reached in the winter. The Arctic West Winter mission included travel in heavy ice in total darkness and joint exercises with Russian aircraft at the US Russian maritime boundary in the Bering Sea. [12]