The ultraviolet index measures the intensity of the sun's harmful rays. Learning how to read it can help you protect your ...

Magnetic micropillar arrays, made from magnetic composite materials, can change their shape under a magnetic field. However, ...

Magnetic micropillar arrays consist of tiny, vertical pin-shaped structures, arranged in a grid-like pattern. These ...

In this work, for the first time, a sub-250 nm light-emitting diode (LED) is investigated as a light source for optical detection in chemical analysis. A 235 nm deep ultraviolet-light-emitting diode ...

Both UVA and UVB rays can damage your skin, just in different ways. One causes premature aging, the other is more prone to causing sunburn, DNA damage, and skin cancer.

The lighting industry’s benchmark for the end of service life is defined as when LED output drops to 70% of its initial ...

Staff at the Osaka World Expo are wearing neck fans powered by next-generation perovskite solar cells that weigh less than a ...

Experimental results on the junction temperature of GaN UV LEDs are presented. Excellent agreement between the theoretical and experimental temperature coefficient of the forward voltage (dV/sub f//dT ...

In the frozen reaches of the planet—glaciers, mountaintops, and icy groundwater—scientists have uncovered strange ...

MelodySusie has many high-quality curing lamps for salon-quality nails in minutes, but the P-Plus 30F LED/UV Nail Lamp offers high quality at a low price point. Not only can it cure all gel nail ...

Earlier, and perhaps more basic, LED masks usually provide just one primary colour treatment mode, such as red or blue, ...

Amazon is offering a sweet deal on this solar 2-in-1 bug zapper, which features an LED light that can be used at night. Shop this 25% off deal to eliminate those biting mosquitoes.