not gone, just used, right? We don't actually put them in nuclear reactions to change them to other elements. At the very worst, we could mine landfills and find more. Gallium is in every LED--lots of them in landfills I'm sure.

Ok--we could fully use all easily-accessible gallium perhaps--in that case, time to find a substitute, and there are plenty with their own advantages and disadvantages, but we're humans, we can adapt.

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Todd (Bowie, MD, US, North America, Earth, Sol System, Vega region, Local Bubble, Orion arm, Milky Way Galaxy, Local Group, Virgo A Cluster, Virgo supercluster, the universe in which spock is clean shaven)

Quidquid latine dictum sit, altum sonatur.

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