From Kyle Hill.

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In 1957, a high-speed camera caught a cast iron cap moving at 66 kilometers per second. It was being accelerated by a nuclear explosion beneath it. Did the Pascal-B nuclear weapons test actually make a manhole cover the first man-made object in space? Noted Nuclear Zaddy Kyle Hill finally does the math to determine what happened to this infamous object. We can stop making videos about this now. Thanks.

SOURCES:
https://en.wikipedia.org/wiki/Operation_Plumbbob
https://nuclearweaponarchive.org/Usa/Tests/Brownlee.html
https://ntrs.nasa.gov/api/citations/19640013352/downloads/19640013352.pdf
https://www.engineeringtoolbox.com/specific-heat-metals-d_152.html
https://gchem.cm.utexas.edu/data/section2.php?target=heat-transition.php
https://link.springer.com/article/10.1134/S0018151X18060202
https://www.engineeringtoolbox.com/overall-heat-transfer-coefficients-d_284.html
http://hyperphysics.phy-astr.gsu.edu/hbase/Tables/thrcn.html

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