open
Dye Solar production in third world
Deadline:
2012-05-03 (All day) America/New_York
dye solar cells for everyone
Dye solar cells are promising third generation of solar cells.
Instead of silicium, a dye is used to transform light to electricity.
For technical details see http://en.wikipedia.org/wiki/Dye-sensitized_solar_cell
All solar dyes are not equals, and the most effective ones are expensive to produce.
Instead of focusing on "the most effective" why not focusing on "the most efficient"?
better CSS template for this site
Deadline:
2009-12-01 (All day) America/New_York
Yeah, I know we can do better, if you have something, feel free to post
Yeah, I know we can do better, if you have something, feel free to post!
It's not directly world saving, but if it helps people for projects, it worth proposing it.
Family-Cargo-Taxi electric vehicle
Deadline:
2011-06-01 (All day) America/New_York
Design and produce an electric vehicle able to move 3-4 people or 1+cargo. For families and taxis in emerging and western countries alike.
Why another electric bike?
- to save the world of course!
- to get rid of gas dependence and pollution
- to save energy
- to get rid of heavy cars (car weights 1 ton to move a person of 70kg)
Why cargo?
