The Stargate Universe franchise has spawned numerous movies, serials, books, comics and games since 1994, and has been a favorite among science fiction fans. Prop makers and hackers often try building ...

Abstract: This paper investigates the use of switched capacitor converters to implement DC-supplied LED drivers with PWM dimming functionality. A voltage doubler switched capacitor converter is ...

Researchers from China's Zhejiang University, in collaboration with the University of Cambridge, have created the world's smallest light-emitting diodes (LEDs), measuring just 90 nanometers in size - ...

A major VLCC newbuilding program is foreseen by market analysts who estimate that as many as 300 ships of this size must be replaced up to the end of the decade and into the next century. It should be ...