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This device works by squeezing water through a microfilter, removing anything, including E Coli and Giardia. New stars of innovative sustainable design.
By Admin (from 08/08/2011 @ 09:00:47, in en - Science and Society, read 1200 times)

Next-generation soap!

Waterborne disease kills three children every minute. This handheld device, called Kopper – which costs only $A2.50 to make – could prevent some of these deaths.

Designed by Balin Lee, a graduate of the University of Western Sydney, it removes 99.99 per cent of all parasites, viruses and bacteria found in contaminated water.

The device works by squeezing water through a microfilter, removing anything larger than 0.1 micrometre, which includes Escherichia coli and Giardia. It then fries anything left with electrolysis, which splits the oxygen and hydrogen molecules, removing tinier pathogens in the water.

Kopper is powered by piezoelectric generators that convert kinetic energy into an electrical current: powering the device requires only a few shakes.

(Image: Balin Lee/SRD Change)

Slum reshaping, breathing buildings and next-generation soap are just some of the ideas on display at the annual SRD Change Exhibition in Sydney, Australia. The show flaunts the best in sustainable and environmental design aiming "to create products and services that focus on tangible and positive benefits for society in every possible aspect", says Greg Campbell, the SRD Change curator.

Source: NewScientist.com

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