admin on July 3rd, 2009

A Chinese farmer has made his own solar-powered water heater out of beer bottles and hosepipes.

“I invented this for my mother. I wanted her to shower comfortably,” says Ma Yanjun, of Qiqiao village, Shaanxi province.
Ma’s invention features 66 beer bottles attached to a board. The bottles are connected to each other so that water flows [...]

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admin on March 12th, 2009

The Turgo turbine is an impulse type turbine; water does not change pressure as it moves through the turbine blades. The water’s potential energy is converted to kinetic energy with a nozzle. The high speed water jet is then directed on the turbine blades which deflect and reverse the flow. The resulting impulse spins the [...]

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