News

Ultraviolet radiation: Electromagnetic radiation which causes sunburn. Because its wavelength is outside the visible light range, we cannot see ultraviolet light. It constitutes 5 to 7 percent of ...
However, light that leaves our star also contains UVC radiation, which has a shorter wavelength than UVA or UVB light and ...
Our most important source of energy is the sun and sunlight includes the entire electromagnetic spectrum, which includes gamma rays, X-rays, ultraviolet rays, visible light, infrared radiation ...
The UV Index isa measurement of the intensity of the sun and its radiation. Meteorologist Lauren Brand explains what it is ...
Listen to Bernie Hobbs explain electromagnetic radiation and discover what radios, ultraviolet light, x-rays and nuclear blasts have in common.
Combining concepts from electromagnetic radiation research and fiber optics, researchers have created an extreme-ultraviolet, laser-like beam capable of producing tightly-focused light in a region ...
ASSOCIATED PRESS / 2021 A dish is placed under an ultraviolet scanning device to help ensure the food is free of the coronavirus during meal preparations at Maison des Tetes in Colmar, eastern France.
Your brains can perceive some electromagnetic waves – but not without your body’s help.
The ability to detect radiation across the electromagnetic spectrum is vital for astronomers, as only a small fraction of the light in the universe comes in the visible part of the spectrum.
Solar radiation is radiant energy emitted by the sun, particularly electromagnetic energy. About half of the radiation is in the visible short-wave part of the electromagnetic spectrum. The other ...
Learn about the electromagnetic spectrum, the order of the waves, their uses and dangers with this guide for KS3 physics students aged 11-14 from BBC Bitesize.