Heating and air-conditioning systems that use thermoelectrics could make plug-in hybrids more practical.
Companies want to let users carry their avatar identities online.
NRG Energy kicks off an expected rush of nuclear-reactor applications.
Researchers have made efficient nanowire logic circuits that could be mass produced, slashing the size of transistors.
Better wind forecasts could prevent blackouts and reduce pollution.
A quantum logic gate in an optical fiber could lay the foundation for a quantum computer network.
A simple way to deposit thin films of carbon could lead to cheaper solar cells.
A recent Twitter outage hints at the possibility of the free service inserting ads into users’ updates.