Today I Found Out on MSN
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 ...
HAZMAT was called to the scene of an explosion that lifted a manhole cover in downtown Dayton this morning. Emergency crews responded to the incident around 11 a.m. in the 400 block of West Third ...
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