Water-Powered Clock
Relying only on a battery to remember its settings between refills, this smart clock actually draws all the power it needs to maintain perfect time from water and a squeeze of lemon juice. Not only is it eco-friendly, it’s also a vegetarian!
Available for $16.00 from bedol.
July 7th, 2009 11:30
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July 20th, 2009 10:32
[...] via : Great Green Gadgets [...]
September 8th, 2009 23:25
should have used a supercapacitor… no batteries or disposal or replacement required.