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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. It is also produced by electric arcs, Cherenkov radiation, and ...
The "ultraviolet catastrophe" is the expression of the fact that the formula misbehaves at higher frequencies, i.e. as . An example, from Mason's A History of the Sciences, [4] illustrates multi-mode vibration via a piece of string. As a natural vibrator, the string will oscillate with specific modes (the standing waves of a string in harmonic ...
Android, iOS. 30 October 2018. Genre (s) MMORPG. Mode (s) Multiplayer. Old School RuneScape is a massively multiplayer online role-playing game (MMORPG), developed and published by Jagex. The game was released on 16 February 2013. When Old School RuneScape launched, it began as an August 2007 version of the game RuneScape, which was highly ...
An L39 UV filter with a 55mm filter thread. UV filters are compounds, mixtures, or materials that block or absorb ultraviolet (UV) light. One of the major applications of UV filters is their use as sunscreens to protect skin from sunburn and other sun/UV related damage. After the invention of digital cameras changed the field of photography, UV ...
The ultraviolet index, or UV index, is an international standard measurement of the strength of the sunburn -producing ultraviolet (UV) radiation at a particular place and time. It is primarily used in daily and hourly forecasts aimed at the general public. The UV index is designed as an open-ended linear scale, directly proportional to the ...
RuneScape. RuneScape is a fantasy massively multiplayer online role-playing game (MMORPG) developed and published by Jagex, released in January 2001. RuneScape was originally a browser game built with the Java programming language; it was largely replaced by a standalone C++ client in 2016.
A relatively new rating designation for sun protective textiles and clothing is UPF (ultraviolet protection factor), which represents the ratio of sunburn-causing UV measured without and with the protection of the fabric. For example, a fabric rated UPF 30 means that, if 30 units of UV fall on the fabric, only 1 unit will pass through to the skin.
The series follows a group of four teenage detectives, the Clue Club – Larry, Pepper, D.D. and Dottie – who solved mysteries with the help of two talking dogs, a bloodhound and basset hound named Woofer and Wimper. [2] Clue Club mysteries usually involved investigating bizarre crimes such as animals, trains, airports, a movie director and ...