Platelets instead of spheres make screens more economical

ETH scientists have further developed QLED technology for screens. They have produced light sources that for the first time emit high-intensity light in only one direction. This reduces scattering losses, which makes the ...

'Mechanical breathing' in smart windows

Smart windows automatically change transparency when a voltage is applied. However, one reason they aren't more widespread is that the polymer inside dramatically expands and shrinks with every charge. Purdue University researchers ...

Laser diode emits deep UV light

Nagoya University scientists, in cooperation with Asahi Kasei Corporation, have designed a laser diode that emits deep-ultraviolet light, and have published a paper in the journal Applied Physics Express.

Iodine may slow ozone layer recovery

A new paper quantifying small levels of iodine in Earth's stratosphere could help explain why some of the planet's protective ozone layer isn't healing as fast as expected.

A breath of fresh air for longer-running batteries

DGIST researchers are improving the performance of lithium-air batteries, bringing us closer to electric cars that can use oxygen to run longer before they need to recharge. In their latest study, published in the journal ...

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