New observations reveal that the relationship between ultraviolet and X-ray light in quasars has changed over billions of ...

Ultraviolet has very short and energetic wavelengths that are shorter than violet on the visible spectrum. But can people see UV? When you purchase through links on our site, we may earn an affiliate ...

What makes the world so beautiful? It may be the colour. But do you know that the human eyes are not capable of seeing all the colours that exist in nature? Yes, our eyes can only see a small range of ...

US scientists have tested a range of modern cell designs under strong ultraviolet light and have found that many of them, including p-type PERC and n-type heterojunction cells, are more susceptible to ...

Here we have a new multilayer dielectric anti-reflection coating with average reflectance of less than 0.75% from 350 nm to over 700 nm. Designated the /081, the coating extends 100 nm further than ...

You know the sun can damage your skin, but what about your eyes? Ophthalmologist Jeff Pettey, MD, breaks down the risks of sun exposure to your vision, from painful short-term conditions to long-term ...