the.com/cupronickel
the alloy that's mostly copper but lies on your tongue, tasting like silver coins.
fake silverReplaced silver in coins worldwide without the price tag
sea-proofResists corrosion so well ships use it for pipes
germ killerCopper content quietly murders bacteria on contact
radar ghostUsed in some military hardware for nonmagnetic strength
musicalSweetens the tone of brass instrument valves