List of First World Countries 2025: During the Cold War, the term "first world countries" was used. Now, it is used to describe countries with stable societies and highly developed economies. In 2025, ...
Since the arrival of nuclear power in the 1950s, more than 400 reactors in 31 countries have produced about 430,000 metric tons of spent nuclear fuel, and until now no one has developed a permanent ...
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