The Water-Powered Clock From Bedol
This isn't the first water-powered clock to be sold, but it is a lot more attractive than some I have seen. The other one I wrote up over a year ago not only was cheap, but looked it.
Although this one is indeed cheap, it at least has a nice clean look to go with it. To get the clock working you just add water and a dash of salt. The clock has a set of electrodes that then extracts energy from the compound particles in the water.
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It doesn't use any batteries, and will be released for purchase as of August 15 of this year. You can preorder it now for $16.
[via coolhunting]