The camera lens is one of the most critical factors in capturing UV light. To create a better illuminated subject by also capturing UV-B light, a special and expensive type of camera lens made of ...

You probably don't own a pair of arm sleeves, but they’re a really versatile ... Ultraviolet protection factor, or UPF, indicates how much UV passes through its material onto your skin.

and UV-A, from 315 nm to 400 nm. Products of this class comprise fluorescent tubes without phosphor coatings. Approximately 85 to 90 percent of the energy supplied by these lamps occurs at 253.7 nm.

She has tested and reviewed many tech accessories, from laptop sleeves to cute keyboards. Laptops are expensive, and if you’re worried about drops, scuffs, and spills, a laptop sleeve can give ...

Spruce Pine, North Carolina, is one of the few places in the world for mining high-purity quartz, a key component needed for making microchips, solar panels and fiber-optic cables. But destruction ...

Promise. Cosmopolitan Video Editor Sarah Ng uses this UV and LED lamp to do her acrylics at home. "It's lightweight and super easy to use whenever and wherever you need it." She loves that the ...

HPQ is the raw material for the high-grade quartz products that sit at the heart of high-end consumer tech products. Its chemical and physical properties—including high temperature and corrosion ...

If a guy wears a short-sleeve polo to date night? He’s doing the bare minimum. If he’s wearing a dark, long-sleeve polo, that emphasizes his arms and flatters his jawline while still letting ...

The sleeves may have cuffs for a snugger fit at the wrists, as well as staying power if you like to wear them pushed up onto your forearms. Or they may be hemmed looser and more open so they have ...

The owner of a North Carolina quartz mine that’s a key source for high-purity quartz used in global semiconductor manufacturing said its operations sustained only minor damage in the wake of ...