Taken from LifeHacker
Got a shed or garage you like to tinker in during the day and want to save a little cash on the cost of lighting it? Polish off your a few two-liters and let's DIY.
The video examines how a village in Brazil gets cheap lighting with a simple, smart water bottle hack. It's a pretty inspiring watch, and you can't help but love the trash can demonstration. At the risk of pointing out the obvious, this will, of course, only work when you've got daylight, but you can always switch to electricity after dark. I'll go out on a limb and say this may not be practical for lighting your whole home, but this green idea seems perfect for lighting your garage or work shed on the cheap. For more discussion of the finer points of the ins and outs of this DIY (including whether or not it's actually worth anything), check out the comments on Make's post.
Thanks to vincent for the link !
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