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.
If federally funded factories don't get enough demand, even more government spending could result.
Development is a step toward making such batteries practical for electric vehicles.
Lithium sulfur promises a longer charge, and safer operation, compared to standard lithium batteries.
A new partnership could help the automaker increase the range of its vehicles.
A device for power tools may also help regenerative braking.
A superstation for connecting three independent grids could help solar and wind power.