Apps that track how people use their phones could help make the devices more efficient.
Stories Tagged "battery"
Virus-based nanowires are the key to making valuable chemicals out of methane, says Siluria.
A battery will capture power from braking trains.
Founder of A123 Systems starts a new company to commercialize the technology.
It's taken a stake in start-up Bright Automotive
The company will start production of a high-performance car that reaches 198 mph and can get 78 mpg.
If federally funded factories don't get enough demand, even more government spending could result.
Lifetime is key because of the high cost of battery packs.
You'll be able to plug in anywhere, but without a special connector, you'll wait forever to recharge.
Development is a step toward making such batteries practical for electric vehicles.