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The same hull angles that deflected cannonballs now defeat radar, here's the physics behind it
Before radar existed, Civil War ironclads were already solving the same problem modern stealth warships face today. The physics of deflection turns out to work just as well on electromagnetic pulses ...
Two Civil War-era cannonballs discovered by a homeowner in Middletown were examined by the Maryland Office of the State Fire Marshal bomb squad on Wednesday and determined to be inert, officials said.
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