The UV-B erythema threshold is 1,000 times lower than the erythema threshold of the UV-A, and it is much more effective in causing damage to live tissue then UV-A. UV-C cannot penetrate the dead layer ...

As it turns out, she uses UV gel nail polish. It’s much more durable than standard air-dry polishes, but it requires UV light to cure. [Becky] bought a lamp to use at home, but it’s very ...

Photolithography at a wavelength of 193 nm in the deep UV with water immersion lenses can ... These steps are repeated 40 times or more to build up the complete three-dimensional structure of ...

We cannot see ultraviolet (UV) light but it can have hazardous effects on the human body. Ultraviolet light in sunlight can cause the skin to tan or burn. Fluorescent substances are used in energy ...

A DPSS laser, in contrast, typically lasts 10,000 hours or more. Applications that were previously inaccessible to laser technology are also opening up with the aid of UV-DPSS lasers. One popular ...

But there's more than blistering heat to be concerned about when we head outside at this time of year. Most of the country will also experience extreme ultraviolet or UV radiation levels at some ...

More information: Emma E. Nelson et al, Tabletop deep-ultraviolet transient grating for ultrafast nanoscale carrier-transport measurements in ultrawide-band-gap materials, Physical Review Applied ...

This NASA Hubble Space Telescope image shows the planet Jupiter in a color composite of ultraviolet wavelengths. Released on Nov. 3, 2023, in honor of Jupiter reaching opposition, which occurs ...

CFL’s are commonly long, cylinder shaped and usually coated in white. They are considered energy-saving and are meant to substitute the older incandescent light bulbs that existed prior to these; ...

What is UV-Vis Spectroscopy? UV-Vis spectroscopy, short for ultraviolet-visible spectroscopy, is an analytical technique that measures the absorption or reflectance of light by a sample in the ...