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Forget apps and useless startups: These four African girls have created a pee-powered generator

Here’s how it works:

Urine is put into an electrolytic cell, which cracks the urea into nitrogen, water, and hydrogen.
The hydrogen goes into a water filter for purification, which then gets pushed into the gas cylinder.
The gas cylinder pushes hydrogen into a cylinder of liquid borax, which is used to remove the moisture from the hydrogen gas.
This purified hydrogen gas is pushed into the generator.
1 Liter of urine gives you 6 hours of electricity.

moar




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belo
 belo      22.11.2012 - 10:09:57 , level: 1, UP   NEW
overoval si to?
pze to znie trosku jako tgtbt

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rooter
 rooter      22.11.2012 - 09:42:56 , level: 1, UP   NEW
"Microsoft, FuelCell Energy and a collection of local Cheyenne, Wyoming companies are collaborating on a project to supply one of Microsoft's local data centers with biogas, in a bid to determine if what we poop can be turned into power. FuelCell and Microsoft will test a small 200-kilowatt data center with a fuel cell that can produce up to 300 kilowatts in a carbon-neutral manner. Microsoft estimates the total carbon savings at about 1,833 pounds of carbon dioxide (CO2) per megawatt-hour, compared to a typical fossil fuel plant. Although other data centers rely on biogas as a power source, Microsoft claims this is the first time a biogas source — specifically, a wastewater treatment facility — will be integrated directly with a data center."
http://hardware.slashdot.org/story/12/11/20/1611220/biogas-to-power-experimental-microsoft-data-center