Printer that uses coffee as ink and other concepts from the Greener Gadgets Design Competition

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The Green Gadgets Design Competition is underway, and frankly just about every submission in the list would be worth contemplating by itself, but I'd rather suggest you pop over to the site and browse around and vote for your own favorites.

But here's one concept device that gives you a taste: the "RITI" Coffee Printer, which uses old coffee grounds to create an inexpensive form of ink. Not only does it appeal to my sense of frugality, it would please me no end to give the middle finger to the ink vendors who masquerade as printer manufacturers.

It probably wouldn't work terribly well as a permanent document solution, but for throwaway items—sorry, recycleaway items—it would probably be just fine.

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