An invisible band of radiation with wavelengths from 400 to 10 nm, ultraviolet (UV) light starts at the end of visible light and ends at the beginning of X-rays. The primary source of ultraviolet ...

Here's how these UV light sanitizers actually work. UV light is highly effective at killing germs The three main types of UV rays are UVA, UVB, and UVC. Because UVC rays have the shortest ...

LOUISE: Ah, well sun cream doesn't actually stop light, it actively stops UVlight. FRANKIE: But doesn't UV light help the body get vitamin D? LOUISE: Yes, but too much can be harmful so.

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 ...

The European Space Agency (ESA)'s Solar Orbiter mission has obtained a stunning high-res image of the sun's upper atmosphere.

“Your sunglasses must offer 100 per cent protection from the sun’s harmful ultraviolet (UV) rays. Buy one with a label of ...

Highlighter pens contain chemicals that absorb visible light as well as ultraviolet (UV) light, which humans cannot see. The UV light “excites” the electrons in the ink’s molecules and ...

anyway.f Sanitising devices that use UV light to kill pathogens and superbugs have been around in the medical field for decades now, but consumer-friendly adaptations are a more recent development ...

New images from the Solar Orbiter spacecraft are giving scientists the clearest view yet of the sun’s volatile lower atmosphere and unlocking critical insights into the forces behind solar eruptions ...