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Did a Nuclear Explosion Really Launch a Manhole Cover Into Space?
In 1957, scientists detonated a nuclear bomb under the Nevada desert — and launched a steel manhole cover at unimaginable speed. Some say it reached space, beating Sputnik by months. This video ...
On Oct. 1, 1958, NASA was born! The space agency officially opened for business on this day. President Eisenhower had signed ...
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