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four teenage girls from africa have figured out how to use urine as fuel for an electric generator. fifteen-year-old bello eniola and 14 year old duro-aina adebola, akindele abiola, and faleke oluwatoyin created a generator that can produce six hours of electricity from one liter of urine, and demonstrated their invention at maker faire africa in lagos, nigeria. here is how the machine works:

urine is put into a cell, which extracts hydrogen.
the hydrogen goes into a water filter to be cleaned further. the purified hydrogen turns to gas, which is then pushed into the gas cylinder.
the gas cylinder pushes the hydrogen gas into a cylinder of liquid borax. the liquid borax removes the moisture from the hydrogen gas.
this purified hydrogen gas is then pushed into the generator to be used as fuel.