Search results
Cast
Episode Guide
- 1. Habeas Corpus Sep 15, 1998
- Michael Colefield is about to be best man at his partner Jack's wedding when Jack disappears.
- 2. In Nomine Patris Sep 22, 1998
- A blacked-out Mercedes is attacked and the squad suspects that the car's driver was a vampire.
- 3. Sub Judice Sep 28, 1998
- The squad suspects a vampire is behind the attack on a barrister.
Movies and TV Shows - new releases and classics - available on Blu-ray, DVD, Digital HD and On Demand from Universal Pictures Home Entertainment. Watch trailers, play games, view photos, see bonus features and more.
Ultraviolet (UV) light is electromagnetic radiation of wavelengths of 10–400 nanometers, shorter than that of visible light, but longer than X-rays. UV radiation is present in sunlight, and constitutes about 10% of the total electromagnetic radiation output from the Sun.
Aug 6, 2024 · Ultraviolet (UV) radiation is undetectable by the human eye, although, when it falls on certain materials, it may cause them to fluoresce—i.e., emit electromagnetic radiation of lower energy, such as visible light. Many insects, however, are able to see ultraviolet radiation.
- www.who.int
- Newsroom
- Questions and answers
- item
Mar 9, 2016 · Just as visible light consists of different colours that become apparent in a rainbow, the UV radiation spectrum is divided into three regions called UVA, UVB and UVC. As sunlight passes through the atmosphere, all UVC and most UVB is absorbed by ozone, water vapour, oxygen and carbon dioxide.
- www.who.int
- Newsroom
- Fact sheets
- Detail
Jun 21, 2022 · Skin cancers are caused primarily by exposure to ultraviolet radiation (UVR), either from the sun or from artificial sources such as sunbeds. Globally in 2020, over 1.5 million cases of skin cancers were diagnosed and over 120 000 skin cancer-associated deaths were reported.
Aug 10, 2016 · Ultraviolet (UV) light has shorter wavelengths than visible light. Although UV waves are invisible to the human eye, some insects, such as bumblebees, can see them. This is similar to how a dog can hear the sound of a whistle just outside the hearing range of humans.
Ultraviolet (UV) radiation is a form of energy that the sun produces. You can’t see UV radiation because its wavelengths are shorter than visible light. The UV energy that the sun produces reaches the Earth and provides vitamin D for your body to help you survive.
When ultraviolet light strikes certain materials, it causes them to fluoresce—i.e., they emit electromagnetic radiation of lower energy, such as visible light.
- www.who.int
- Health topics
Jul 29, 2024 · Ultraviolet (UV) radiation covers the wavelength range of 100–400 nm, which is a higher frequency and lower wavelength than visible light. UV radiation comes naturally from the sun, but it can also be created by artificial sources used in industry, commerce and recreation.
Ultraviolet (UV) radiation is a type of electromagnetic (EM) radiation with wavelengths ranging from approximately 10 nanometers (nm) to 380 nm and frequencies between 790 THz and 30 PHz. It is situated between X-rays and visible light in the electromagnetic spectrum.