writes: The US Departement of Defense has announced the first DDR&E prize competition, for a wearable power system. The prizes are "...the Department of Defense's Program that promotes the use of inventive and novel approaches to solve problems of U.S. military interest. The Department seeks the ideas of traditional and non-traditional performers from the public, academia, the commercial sector, alike."
The wearable power system must weigh less than 4 kilos, provide 20W average for 96 hours (200W peak), and attach to an army vest. First prize is $1M US, 2nd is $500k, 3rd is $250k. The final trials will be in the fall of 2008.
Full details are at the DoD Prize page.