[Noisebridge-discuss] how to evaluate a shipping bag that claims to be a water filter?

[John Adams]

It's called a microscope and/or a water test kit.

-j


On Fri, Feb 25, 2011 at 11:13 AM, jim <jim at systemateka.com> wrote:
>
>    can anyone provide pointers for evaluating the
> life-sack, advertised to be used as a bag for
> shipping grains and after receiving the grains the
> recipients can use the bag as a 15nmeter filter,
> which purportedly passes only water.
>
> http://inhabitat.com/life-sack-solves-drinking-water-issues-for-the-third-world/
>
>
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