prez
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Scientists have discovered a metal foam that can stop bullet
prez replied to prez's topic in Engineering
They won't stop making Guns, and they won't stop creating wars. The US economy is not viable without war. I just watched a funny Video. The U2 Spy plane can't land without a chase car. They pilot doesn't see the runway. -
link deleted The invention of Kevlar in 1965 brought back wearable armor, and then armor-piercing bullets were designed to punch through that. The next stage of armor might be more of a giant leap than an incremental improvement: a new type of composite metal foam can stop an armor-piercing bullet in just a fraction of an inch. - See more at: link deleted