Filed under: Misc. GadgetsUnfortunately for you budding energy stars out there, the Pentagon's latest contest is over, so you've no choice here but to grit your teeth and applaud both DuPont and Germany's Smart Fuel Cell. Out of the 170 teams vying for the $1 million prize, these two managed to impress the most; the winning gizmo was the M-25 portable power system, which is already being sold to the US Army for "limited use in the field." Contestants were tasked with creating a new wearable power solution to juice up energy-hungry military gear (GPS units, night-vision goggles,
