Berkeley Researchers Light Up White OLEDs

(PhysOrg.com) -- Light-emitting diodes, which employ semiconductors to produce artificial light, could reduce electricity consumption and lighten the impact of greenhouse gas emissions. However, moving this technology beyond ...

Graphene could yield cheaper optical chips

Graphene—which consists of atom-thick sheets of carbon atoms arranged hexagonally—is the new wonder material: Flexible, lightweight and incredibly conductive electrically, it's also the strongest material known to man.

The long road to the 2000-watt society

The vision of a society in which each inhabitant of the earth manages to consume only 2000 watts (48 kilowatt-hours per day) has already been around for 15 years. During this time, there has been a steady increase in environmental ...

Electric hybrid drives for aircraft

In cooperation with several partners, Siemens has created its second aircraft powered by an electric series hybrid drive system. The two-seat DA36 E-Star 2 plane recently made its one-hour maiden flight and was then presented ...

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