[ExI] How water bottles create cheap lighting in Philippines

[Dan]

Eugen Leitl eugen at leitl.org wrote:
> Sound like a first-world problem. Here's another, even more
> useful application of plastic water bottles:
>
> http://www.worldchanging.com/archives/004261.html

I don't know if it's more or less useful, but it's certainly interesting. And, again, another example of people innovating their way around a problem.
 
Regards,
 
Dan
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