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• Power cell wins $1 million Pentagon prize
Troops who use electronic devices such as night-vision goggles and GPS units have to carry batteries that can add 20 pounds (9 kilograms) to their loads. The military created the contest to find a system that produces more power with less weight ...
• Kenya's elephants send text messages
Collar batteries wear out every few years. Sometimes communities think placing a collar on an elephant implies ownership and responsibility for the havoc it causes. And it's expensive work — Ol Pejeta has five full-time staff and a standby vehicle ...
• Frozen death looms for Phoenix Mars Lander
The sun is going down, so there's less and less energy being fed into the batteries through the solar panels, and that really is the biggest problem" facing the mission, Taylor said. Specifically, the orientation of Phoenix's solar arrays limits how ...
• The plan to revive Hubble
NASA was already planning to have Atlantis' astronauts do all those upgrades, and change out Hubble's worn-out batteries and gyroscopes as well. Now more complications lie ahead. Will Hubble's handlers go through with the temporary switchover? How ...
• ABOUT CLICKED
It's battery powered and the batteries are charged with attachable solar panels.) As long as I'm getting jeeped about hot alternative cars, Lamborghini is considering a new hybrid . Speaking of driving cars, the idea of photographing people while they ...