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| Low-cost Rainwater Storage System |
| Deadline :JAN 12, 2009 |
| Prize : $15,000 |
| The Innocentive Seeker is looking for a very low cost rainwater storage system that can be installed in a developing country. |
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| Load Bearing Polyurethane Foam |
| Deadline :JAN 26, 2009 |
| Prize : $25,000 |
| The Innocentive Seeker is looking for novel ways of improving the load bearing properties of flexible Polyurethane Foams (PUF). |

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Computer Controlled Dc Motor Drive The resistive speed controller was studied for the dc motor and some demerits were found. The main problem was I^2*R power loss in the resistance appl... more» |