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

In a breakthrough study, a research team led by Associate Professor Chae Bin Kim from the Department of Polymer Science and Engineering at Pusan National University, South Korea, developed new ...

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 ...