This is what happens to aluminium when a 1/2 oz piece of plastic hits it at 15,000 mph in space (x-post from r/pics) : r/interestingasfuck
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Amazon.com: 1 R RUI SPEED Aluminum Foil Tape, Metal Duct Tape, 1 in x 66 FT (4 mil), Professional Grade for HVAC, Patching Hot, Cold Air Ducts, Metal Repair, Ductwork. : Industrial & Scientific