Subj: Urine-powered
generator unveiled at international exhibition
Urine-powered
generator unveiled at international exhibition
By 
Three of the four inventors of the urine-powered
generator (Eric Hersman)
Four African girls have created a
generator that produces electricity for six hours using a single liter of urine
as fuel.
The generator was unveiled at last week's Maker
Faire in Lagos, Nigeria, by the four teens Duro-Aina Adebola, Akindele
Abiola, and Faleke Oluwatoyin, all age 14, and Bello Eniola, 15.So how exactly does the urine-powered generator work?
- Urine is put into an electrolytic cell, which separates
out the 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.
The Maker Faire is a popular event across the African continent, drawing thousands of participants who travel to Lagos to show their inventions and other practical creations.
As the Next Web describes it, the Maker Faire is intended to highlight creations "that solve immediate challenges and problems, and then works to support and propagate them. Put another way, this isn't just a bunch of rich people talking about how their apps are going to change the world."
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