Ultraviolet Light

Some articles on ultraviolet light, ultraviolet, light:

Ultraviolet Light Therapy
... Ultraviolet light therapy or ultraviolet Phototherapy is a form of treatment for certain skin disorders (including atopic skin disorder and vitiligo when used with psoralen to form the PUVA treatment ... This treatment is similar to the light from good quality solariums but differs from the mainly UVB ultraviolet band used to treat psoriasis ...
Peppered Moth - Ecology and Life Cycle - Resting Behaviour
... However, birds are capable of seeing ultraviolet light that humans cannot see ... Using an ultraviolet-sensitive video camera, Majerus et al ... showed that typica reflect ultraviolet light in a speckled fashion and are camouflaged against crustose lichens common on branches, both in ultraviolet and human-visible ...
Full-spectrum Photography - Basics
... films can be made to record non-visible ultraviolet (UV) and infrared (IR) radiation ... lenses are made of glass and will filter out most ultraviolet light ... a standard red #25a can be used to include red light and infrared light together, yielding particularly strong two-toned color images of a reddish nature except where the infrared is high and shows ...
Non-ionizing Radiation - Types of Non-ionizing Electromagnetic Radiation - Near Ultraviolet Radiation
... Ultraviolet light can cause burns to skin and cataracts to the eyes ... Ultraviolet is classified into near, medium and far UV according to energy, where near and medium ultraviolet are technically non-ionizing, but where all UV wavelengths can cause photochemical ... For example, ultraviolet light, even in the non-ionizing range, can produce free radicals that induce cellular damage, and can be carcinogenic ...
List Of Star Wars Species (A–E) - Defel
... They are from a large, high-gravity, seldom-visited world orbiting the ultraviolet supergiant Ka'Dedus ... Af'El has no ozone layer and ultraviolet light passes freely to the surface, while other light wavelengths are blocked by the heavy gases in the planet's atmosphere ... Thus, all life forms on Af'El can only see in ultraviolet light ranges, and are blind to other wavelengths of light ...

Famous quotes containing the words light and/or ultraviolet:

    He is outside of everything, and alien everywhere. He is an aesthetic solitary. His beautiful, light imagination is the wing that on the autumn evening just brushes the dusky window.
    Henry James (1843–1916)

    Like ultraviolet rays memory shows to each man in the book of life a script that invisibly and prophetically glosses the text.
    Walter Benjamin (1892–1940)