Non-profit groups aiming to replace Africa's deadly kerosene lamps with safe, solar alternatives say their campaign is gaining momentum. The award-winning Solaraid project says the dangerous lamps could be eliminated from the continent by 2020.
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,
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
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