An atomic bomb could destroy an entire city, but a relativel…
An atomic bomb could destroy an entire city, but a relatively few Hydrogen bombs threatened to destroy entire nations, and the threat of radioactive fallout from a war fought with Hydrogen bombs appeared to endanger most forms of complex life. Scientists were the first to realize this; in 1955. Lord Bertrand Russell and Albert Einstein, along with some of the most famous scientists of the 20th century, published a Manifesto warning that nuclear war threatened continued human existence.
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