Slathering on sunscreen? You might be blocking more than just a tan. Find out the truth that no one is talking about.

UV radiation is arbitrarily divided into UV-A (315 nm to 400 nm), UV-B (280 nm to 315 nm), and UV-C (100 nm to 280 nm). UV lasers are not covered in this section; please refer to the laser safety ...

Longer-wavelength ultraviolet A rays can reach beneath the skin's surface, causing it to age prematurely. Shorter-wavelength ultraviolet B rays affect the outermost layers of skin, causing ...

Solar ultraviolet radiation is one of the causes of a series of eye diseases, including cataracts and a type of corneal ...

In addition to sunlight, ultraviolet rays are also given off by several different forms of indoor lighting, including compact fluorescent lamps (CFL’s). CFL’s are commonly long, cylinder shaped and ...

Gamma rays are used for sterilising food and medical instruments, and in the treatment and detection of cancer. Ultraviolet waves can cause damage to skin cells and eyes, and increase the risk of ...

and UVB (ultraviolet B) rays. The CDC recommended sunscreen must have protection of at least 15 SPF or more. In addition to Quito, other cities in the inter-Andean alley such as Loja, in the south ...

Thin-disk single-cavity dual-comb lasers (TDSCs) offer a promising alternative to traditional dual-comb systems, simplifying the setup and enabling power scaling. Their shared resonator components ...

Get Instant Summarized Text (Gist) Ba₃(ZnB₅O₁₀)PO₄ (BZBP), a nonlinear optical crystal, demonstrates remarkable stability under extreme pressure, maintaining its structure up to 43 GPa ...