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Light is electromagnetic radiation within a certain portion of the electromagnetic spectrum. The word usually refers to visible light, which is the visible spectrum that is visible to the human eye and is responsible for the sense of sight. Visible light is usually defined as having wavelengths in the range of 400–700 nanometres (nm), or 4.00 × 10−7 to 7.00 × 10−7 m, between the infrared and the ultraviolet. This wavelength means a frequency range of roughly 430–750 terahertz (THz).

From Wikipedia

Organizations relating to Light

European Mixed Metal Solid Stabilizers Association
International Federation of Societies of Cosmetic Chemists / Est. 1959
Eurosafe / Est. 1988
International Sugar Organization / Est. 1968
Réseau européen de télécommunications opérationnelles météorologiques
EUROFIMA European Company for the Financing of Railroad Rolling Stock / Est. 1956
UNEP-DTIE Cleaner Production / Est. 1990
European Association for the Streamlining of Energy Exchange-gas / Est. 2002
European Federation of Energy Management Associations / Est. 1986
Balkan and Near East Railway Rates Union
Caribbean Electric Utility Services Corporation / Est. 1988
Water, Engineering and Development Centre / Est. 1972
Latin American Committee for Banking Security
International Convention on Civil Liability for Bunker Oil Pollution Damage / Est. 2001
International Surfing Foundation / Est. 1970
International Hologram Manufacturers Association / Est. 1993
Humanitarian Safety and Protection Network / Est. 1998
International Transportation Safety Association / Est. 1993
ASM International / Est. 1913
International Conference on Rapidly Quenched Metals
International Pesticide Applicators Association / Est. 1953
Institute of Food Technologists / Est. 1939
International Bureau of Associations of Manufacturers, Wholesalers and Retailers of Jewellery, Gold and Silver Ware / Est. 1926
Agreement Concerning Interim Arrangements Relating to Polymetallic Nodules of the Deep Sea Bed / Est. 1982
International Miniature Trotting and Pacing Association / Est. 1992

View all profiles (186 total) in the Yearbook of International Organizations

World Problems relating to Light

From the Encyclopedia of World Problems and Human Potential

Optic neuritis
Environmental hazards of solar radiation
Visual colour deficiencies
Obstruction of astronomical observation by environmental pollution
Diseases of retina
Septo-optic dysplasia
Threatened species of Tarsius spectrum
Threatened species of Vampyrum spectrum
Commercialization of the airwaves
Photographical and optical goods shortage
Laser weapons
Displacement of natural light in buildings
Photographical and optical goods trade instability
Threatened species of Osmerus spectrum
Unnatural facial colour
Limited number of available radio frequencies
Skin colour prejudice

Action Strategies relating to Light

From the Encyclopedia of World Problems and Human Potential

Using optical telecommunication technology
Undertaking research on health effects of increasing ultraviolet radiation
Taking measures to mitigate the health effects of increasing ultraviolet radiation
Advancing infrared imaging
Tapping cables
Darkening skin colour
Advancing laser artistry
Assisting coastal States to assess effects of additional ultraviolet radiation
Changing skin colour
Reducing skin colour prejudice
Assessing marine biological effects of increased ultraviolet radiation
Preventing impacts of ultraviolet radiation
Sharing professional interest in colour
Monitoring ultraviolet radiation
Advancing optics research
Advancing studies in photonics

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