• Thumbnail for Searchlight
    mirror, reflecting a carbon arc discharge. Peak output was 800,000,000 candela. It was powered by a 15 kW generator and had an effective beam visibility...
    13 KB (1,390 words) - 12:35, 23 September 2024
  • Thumbnail for Flare
    an average luminosity of 15,000 candelas, while aerial flares must burn for at least 40 seconds with a 30,000-candela average luminosity. While rockets...
    23 KB (2,322 words) - 01:06, 9 October 2024
  • sources SI defining constants, including Kcd (used in the definition of candela) There are special cases of illumination involving wavelengths of light...
    30 KB (2,271 words) - 15:31, 13 September 2024
  • Thumbnail for Light-emitting diode
    Retrieved December 7, 2015. Nakamura, S.; Mukai, T.; Senoh, M. (1994). "Candela-Class High-Brightness InGaN/AlGaN Double-Heterostructure Blue-Light-Emitting-Diodes"...
    159 KB (17,095 words) - 12:16, 31 October 2024
  • Thumbnail for Lighting
    measurement is the candela (cd), which describes the luminous intensity, all other photometric units are derived from the candela. Luminance for instance...
    67 KB (7,974 words) - 10:37, 20 October 2024
  • Thumbnail for Candle
    candel, from Old English and from Anglo-Norman candele, both from Latin candēla, from candēre 'to shine'. Prior to the invention of candles, ancient people...
    43 KB (5,284 words) - 06:20, 28 October 2024
  • Thumbnail for Bicycle lighting
    and 240 flashes per minute and has a luminous intensity of at least 4 candela; The majority of LED lights available are not approved for UK use since...
    31 KB (3,930 words) - 23:11, 26 August 2024
  • Thumbnail for Headlamp
    intensity, capped at 140,000 candela per side of the car in Europe, was limited in the United States to 37,500 candela on each side of the car until...
    146 KB (16,622 words) - 00:12, 17 October 2024
  • Thumbnail for Energy conversion efficiency
    watt of radiant energy, only the center wavelength is perceived as 683 candelas (1 watt of luminous energy), equaling 683 lumens. The vertical colored-lines...
    30 KB (3,018 words) - 06:36, 15 August 2024
  • Thumbnail for Argand lamp
    type of oil lamp invented in 1780 by Aimé Argand. Its output is 6 to 10 candelas, brighter than that of earlier lamps. Its more complete combustion of the...
    5 KB (631 words) - 16:06, 13 March 2024