An English high school is harnessing the energy from its pupils' footsteps to power lights, cellphones, and a radio. They're using a technology called the Pavegen system, which uses floor tiles to convert foot pressure into electricity.
Deadline: Jan 11 2014
Reward: $20,000 USD
Conventional washing machines cause excessive damage and wrinkling to clothes primarily during the water removal step. With the introduc
Deadline: Jan 27 2014
Reward: $15,000 USD
The Dow Chemical Company is the leading producer of polyalkylene glycols (PAGs) used in synthetic fluids and lubricants where petroleum,
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