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  • Thumbnail for Light and air unit
    An air and light unit, also known as a breathing support unit or mobile air unit, is a specialized firefighting apparatus used by first responders to provide...
    4 KB (309 words) - 14:57, 16 May 2024
  • Thumbnail for Speed of light
    light in glass travels at ⁠c/1.5⁠ ≈ 200000 km/s (124000 mi/s); the refractive index of air for visible light is about 1.0003, so the speed of light in...
    145 KB (15,360 words) - 18:53, 29 December 2024
  • Thumbnail for Lightwell
    Lightwell (redirect from Light-well)
    sky-well, or air shaft is an unroofed or roofed external space provided within the volume of a large building to allow light and air to reach what would...
    4 KB (360 words) - 04:51, 26 April 2024
  • Thumbnail for Austrian Air Force
    (training and liaison), and AB-212s (used by air-mobile troops and for light transport). 28 French-made Alouette IIIs are available for search-and-rescue...
    38 KB (3,508 words) - 18:31, 5 January 2025
  • Thumbnail for Light combat aircraft
    and limited capabilities. LCAs are often used to patrol the skies and implement border patrol or air policing.[citation needed] The list of a light combat...
    4 KB (240 words) - 18:55, 28 November 2024
  • of the speed of light in air. Subsequent experiments performed by Marie Alfred Cornu from 1872 to 1876 improved the methodology and made more accurate...
    7 KB (735 words) - 19:10, 3 November 2024
  • of the speed of light in water versus its speed in air. In 1862, he used a similar apparatus to measure the speed of light in the air. In 1834, Charles...
    26 KB (2,978 words) - 20:24, 20 December 2024
  • Thumbnail for Light
    Light, visible light, or visible radiation is electromagnetic radiation that can be perceived by the human eye. Visible light spans the visible spectrum...
    51 KB (6,346 words) - 18:51, 29 December 2024
  • Thumbnail for Light fighter
    manufacturers have in recent years adopted the term “light fighter” to also refer to light primarily air-to-ground attack aircraft, some of which are modified...
    70 KB (9,617 words) - 04:43, 31 December 2024
  • Thumbnail for Cupola
    larger roof or dome. Cupolas often serve as a roof lantern to admit light and air or as a lookout. The word derives, via Italian, from lower Latin cupula...
    6 KB (529 words) - 22:55, 11 December 2024
  • Thumbnail for Ionized-air glow
    Ionized-air glow is the luminescent emission of characteristic blue–purple–violet light, often of a color called electric blue, by air subjected to an...
    12 KB (1,235 words) - 14:30, 12 July 2024
  • Thumbnail for L3Harris OA-1K Sky Warden
    The Air Tractor L3Harris OA-1K Sky Warden (company designation AT-802U) is an American fixed-wing, single-engine light attack/armed reconnaissance aircraft...
    13 KB (1,041 words) - 18:53, 29 December 2024
  • Thumbnail for Aviation light signals
    radio, or in the case of a deaf pilot, air traffic control may use a signal lamp (called a "signal light gun" or "light gun" by the FAA) to direct the aircraft...
    6 KB (436 words) - 18:46, 14 December 2023
  • Villamor Air Base Philippine Air Force SPYDER medium range air defence system A M39 cannon platform being towed by a Kia KM450 light truck "2024 World Air Forces...
    40 KB (1,583 words) - 04:22, 31 December 2024
  • Thumbnail for Louver
    angled to admit light and air, but to keep out rain and direct sunshine. The angle of the slats may be adjustable, usually in blinds and windows, or fixed...
    9 KB (942 words) - 11:56, 11 December 2024
  • Thumbnail for Porthole
    is a generally circular window used on the hull of ships to admit light and air. Though the term is of maritime origin, it is also used to describe...
    9 KB (1,103 words) - 14:30, 27 December 2024
  • 127 Light Air Defence Regiment (Composite) is part of the Corps of Army Air Defence of the Indian Army. It consists of 581, 582 and 583 Light Air Defence...
    4 KB (360 words) - 12:17, 12 March 2024
  • Thumbnail for Kawasaki Ki-48
    1945) 12th Light Bomber Air Combat Regiment (April 1944 – August 1945) 16th Light Bomber Air Combat Regiment (1941–1945) 34th Light Bomber Air Combat Regiment...
    16 KB (1,846 words) - 18:06, 30 November 2024
  • Thumbnail for Guiding Light
    Guiding Light (known as The Guiding Light before 1975) is an American radio and television soap opera. Guiding Light aired on CBS for 57 years between...
    57 KB (6,549 words) - 22:27, 5 January 2025
  • Thumbnail for M163 VADS
    helicopters. It replaced the M42 Duster as the standard American armored light air-defense gun. The M163 VADS uses the M168 gun, a variant of the General...
    17 KB (1,520 words) - 08:42, 15 December 2024
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