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Model of nanowire-based light-emitting diode showing that adding a bit of aluminum to the shell layer (black) directs all recombination of electrons and holes (spaces for electrons) into the nanowire core (multicolored region), producing intense light. Credit: NIST

Researchers Boost Intensity of Nanowire LEDs

Nanowire gurus at the National Institute of Standards and Technology (NIST) have made ultraviolet light-emitting diodes (LEDs) that, thanks to a special type of...

Physicists create a quantum refrigerator that cools with an absence of light

For the first time ever, a team of scientists managed to cool an object with the absence of light. The method, which has never...
Breakthrough LED Technology Could Triple the Resolution of Display Units

Breakthrough LED Technology Could Triple the Resolution of Display Units

Researchers at televisions, smartphones and other devices. Conventional screens are made of thousands of pixels that display different colors to form the images. Each of these pixels...

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