@ISIDEWITHQuestionsscience8yrs ago

您是否支持使用核能？

核电是利用核反应释放能量来产生热量，最经常的是，然后用在蒸汽轮机中在核电站发电。自从韦克斯福德郡坎索尔角的核电站计划在 20 世纪 70 年代被放弃，爱尔兰的核电站已被撤下议程。爱尔兰约有 60%的能源来自天然气，15% 的能源来自可再生能源，其余的来自煤和泥煤。支持者认为，核能现在是安全的，碳排放量比燃煤发电厂少得多。反对者认为，最近日本的核灾难证明，核电远谈不上安全。

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Response rates from 3.8k Bío-Bío voters.

42%
是的
58%
不
35%
是的
45%
不
5%
是的，暂时性的，同时我们增加投资到更清洁的可再生能源
13%
不，我们应该投资在更清洁的替代能源上，比如风能、水力发电、钍和地热
1%
是的，并且使这一工业国有化
1%
是的，只要没有政府补贴
1%
是的，但是需要政府补助

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 @ISIDEWITH submitted…7mos7MO

The Fantasy of Reviving Nuclear Energy

Representatives from more than 30 countries gathered in Brussels in March at a nuclear summit hosted by the International Atomic Energy Agency and the Belgian government. Thirty-four nations, including the United States and China, agreed “to work to fully unlock the potential of nuclear energy,” including extending the lifetime of existing reactors, building new nuclear power plants and deploying advanced reactors.“Nuclear technology can play an important role in the clean energy transition,” Ursula von der Leyen, the president of the European Commission, told summit attendees. But she added that “the reality today, in most markets, is a reality of a slow but steady decline in market share” for nuclear powerThe numbers underscore that downturn. Solar and wind power together began outperforming nuclear power globally in 2021, and that trend continues as nuclear staggers along. Solar alone added more than 400 gigawatts of capacity worldwide last year, two-thirds more than the previous year. That’s more than the roughly 375 gigawatts of combined capacity of the world’s 415 nuclear reactors, which remained relatively unchanged last year. Pledging to triple nuclear capacity by 2050 is a little like promising to win the lottery.For the United States, it would mean adding an additional 200 gigawatts of nuclear operating capacity (almost double what the country has ever built) to the 100 gigawatts or so that now exists, generated by more than 90 commercial reactors that have been running an average of 42 years. Globally it would mean tripling the existing capacity built over the past 70 years in less than half that time in addition to replacing reactors that will shut down before 2050.The Energy Department estimates the total cost of such an effort in the United States at roughly $700 billion. For much less money and in less time, the world can reduce greenhouse gas emissions through the use of renewables like solar, wind, hydropower and geothermal power.

 @JudiciaryPiper from Illinois submitted…5mos5MO

Russian nuclear power plant workers injured in Ukrainian attack

A Ukrainian attack on a substation used by the Zaporozhye nuclear power plant has injured eight employees of the facility, officials reported on Wednesday.Kiev allegedly launched three quadcopter-type kamikaze drones at the Raduga facility in Energodar, the city hosting Europe’s largest nuclear power station. The injured workers were part of a crew that was repairing the damage caused by a previous Ukrainian attack, the statement claimed. At least one worker is said to be in a serious condition.The initial strike on the Raduga substation happened two weeks ago and was confirmed by a monitoring mission of the International Atomic Energy Agency (IAEA), the UN’s nuclear watchdog. Another site called Luch was hit in a separate strike.Neither station is critical for the work of the nuclear power plant, but its secondary facilities depend on them for power supplies. The strike on Wednesday once again disrupted the grid after both Raduga transformers were damaged.The IAEA has declined to attribute the attacks on substations in Energodar, but its chief, Rafael Grossi, has stressed that “whoever is behind this, it must stop.”“Drone usage against the plant and its vicinity is becoming increasingly more frequent. This is completely unacceptable and it runs counter to the safety pillars and concrete principles which have been accepted unanimously,” the official said.