An ingenious device uses the movement of waste water to generate electricity.

Tom Broadbent, a graduating student of Leicester De Montfort University, used the principles of hydroelectric dams to develop a system that harnesses the energy of falling waste water from the pipes of high-rise buildings and converts it into electricity. The HighDro Power fits inside a bathroom and uses the water discharged by toilets, sinks and showers in buildings. This water falls down the pipe to hit turbine blades that drive a generator. Tom now hopes to test his prototype by fitting it in a high rise apartment and wants to show his invention at NEC’s Grand Designs Live show.

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