A manhole cover launched into space with a nuclear test is the fastest human-made object. A scientist on Operation Plumbbob told us the unbelievable story. | Poal: Say what you want.

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A manhole cover launched into space with a nuclear test is the fastest human-made object. A scientist on Operation Plumbbob told us the unbelievable story. (www.businessinsider.com)

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[–] • 1 pt

Neat. Interesting to hear it told from the engineers point of view.

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