Winners of 3D printers for peace contest


After implementation of the vaccination beads, their utility will decline sharply due to the Pokémon effect: “I’ll trade you three 2014 polios for your 2015 rubella!”

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Cool people doing cool things. More wonderful, BB, thanks!

Solar cone water distillers have been around for awhile now. Whether they’ve been successfully marketed or deployed is another question. I wonder how different this design is from others. Any idea?

Here are some pictures of earlier solar cones:

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