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  • ...ture |title=New Lighting Could Replace Fluorescents, CFLs, and LEDs As The Light Source Of The Future |publisher=Popsci.com |date=3 December 2012 |access-da ...xnews.com/tech/2012/12/04/new-light-bulbs-made-glowing-plastic/ |title=New light bulbs made of glowing plastic |newspaper=Fox News |publisher=TechNewsDaily ...
    4 KB (492 words) - 14:23, 24 December 2023
  • ...t|upright|[[Integrating sphere]] used for measuring the luminous flux of a light source.]] ...e varying sensitivity of the [[human eye]] to different [[wavelength]]s of light. ...
    8 KB (1,101 words) - 07:34, 4 February 2024
  • ...]. [[Luminous efficacy]] of a light source expresses the amount of visible light for a certain amount of power transfer and has the units of [[lumen (unit)| ...oom (In practice it is nearly 100% efficient at heating a room because the light energy will also be converted to heat eventually, apart from the small frac ...
    5 KB (709 words) - 02:31, 4 January 2024
  • ...rm a third metabolic pathway compared to photosynthesis (plants converting light into sugar) and chemosynthesis (bacteria converting chemical energy into fo ...
    2 KB (221 words) - 12:03, 10 January 2024
  • ...116272 | access-date=2023-09-09}}</ref> Its primary purpose is to act as a light-weight, cheaper, and safer alternative to standard [[Neutron generator|neut [[Category:Neutron sources]] ...
    2 KB (222 words) - 20:00, 9 February 2024
  • ...ed with traditional [[mechanical device]]s which depend on different power sources like [[fuel]]s or human [[physical strength]]. [[Electronics|Electronic dev Due to their dependence on electric power sources, in general well-evolved [[power grid]]s, electric devices and their [[Dyna ...
    5 KB (571 words) - 23:58, 18 January 2024
  • ...ric Light Association 1924 p. 1185">{{cite book | author=National Electric Light Association | title=Handbook for Electrical Metermen | publisher=Franklin p ==Sources== ...
    4 KB (533 words) - 06:03, 14 October 2023
  • # [[Light]]: Energy produced by light being absorbed by photoelectric cells, or [[solar power]]. == Light == ...
    10 KB (1,493 words) - 05:41, 4 November 2023
  • [[File:TealightLuminanceImage.jpg|thumb|A [[tea light]]-type candle, imaged with a luminance camera; [[false color]]s indicate lu ...rl=https://cie.co.at/eilvterm/17-21-050}}</ref> It describes the amount of light that passes through, is emitted from, or is reflected from a particular are ...
    11 KB (1,595 words) - 22:04, 30 November 2023
  • ...Wiley and Sons]]| url = https://books.google.com/books?id=8_TxzK2B-5MC&dq=light+source+%22spectral+power+distribution%22&pg=PA57 }}</ref><ref name=focal>{{ ...: meter, m). (Note that it is more convenient to express the wavelength of light in terms of [[nanometer]]s; spectral exitance would then be expressed in un ...
    8 KB (1,061 words) - 05:39, 6 October 2023
  • {{Sources exist|date=October 2019}} | title = Interferometry of the intensity fluctuations in light - I. Basic theory: the correlation between photons in coherent beams of rad ...
    2 KB (311 words) - 15:12, 30 October 2022
  • ...system.<ref name=":0" /> The main known effect of rapid voltage changes is light [[Flicker noise|flicker]], but other non-flicker effects also have been rep ...tronic equipment, it can be annoying for final users as they may influence light flicker.<ref name=":0">{{Cite journal|last1=Barros|first1=Julio|last2=Gutié ...
    4 KB (520 words) - 00:01, 24 February 2024
  • == Surface power densities of energy sources == ...ce power density is an important factor in comparison of industrial energy sources.<ref>{{Cite web|title=Nature Energy and Society: A scientific study of the ...
    8 KB (1,134 words) - 05:15, 6 January 2024
  • ...ures the absolute spectral [[radiance]] (intensity) or [[irradiance]] of a light source.<ref name=lee>{{cite book|chapter-url=https://books.google.com/books ...n=978-0-470-04904-4|chapter=Tristimulus Color Measurement of Self-Luminous Sources|pages=135–157|doi=10.1002/9780470175637.ch6}}</ref> ...
    12 KB (1,556 words) - 20:44, 23 December 2023
  • The quasistatic approximation can be understood through the idea that the sources in the problem change sufficiently slowly that the system can be taken to b ...ion time minus the time it took for the field (traveling at the [[speed of light]]) to reach the observer. The retarded time is different for every point to ...
    5 KB (665 words) - 19:42, 11 September 2021
  • ...or to a strong [[electric field]]. This is distinct from [[black body]] [[light emission]] resulting from heat ([[incandescence]]), chemical reactions ([[c ...panel spectrum.png|thumb|right|Spectrum of a blue/green electroluminescent light source for a clock radio (similar to the one seen in the above image). Peak ...
    16 KB (2,194 words) - 00:18, 6 March 2024
  • ...device without a physical connection. It is often used to isolate possible sources of signal perturbations that could otherwise follow the electrical path fro ...ate a signal encoded by light transmission (optical encoding). The decoded light transmission is then used for input for the next stage of processing. ...
    6 KB (787 words) - 16:38, 11 November 2023
  • | name = Electric Light Works Building The '''Electric Light Works Building''', also known as '''Gesa Power House Theatre''', is a notew ...
    13 KB (1,954 words) - 00:14, 19 November 2022
  • ...efficient|file=A00516|accessdate=2015-03-15}}</ref> In addition to visible light, mass attenuation coefficients can be defined for other [[electromagnetic r When a narrow ([[collimated light|collimated]]) beam passes through a volume, the beam will lose intensity to ...
    8 KB (1,154 words) - 02:48, 16 October 2023
  • *''c'' is the [[speed of light]] in [[vacuum]]; A [[point source]] of light produces spherical wavefronts. The irradiance in this case varies inversely ...
    8 KB (1,112 words) - 04:50, 12 October 2023
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