Should you switch to LEDs?
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Now that we understand why street lights are orange, let's consider whether they should stay orange. The answer is not as simple as it may seem. Although new technologies seem to be superior to high-pressure sodium lights in almost every way, there are still things to consider. Previous video: • High Pressure Sodium Lamps Are ... Alec's Channel: / @technologyconnections Original Video: • The LED's Challenge to High Pressure ... Patreon Technology Connections: / technologyconnections Boosty to support translations: https://boosty.to/bassman Translations on other platforms: VK: https://vk.com/public220447489 Zen: https://dzen.ru/id/64510de66b4b3a5a29... Sources (there's a lot of interesting stuff here!): The Lighting Research Center's paper comparing induction and metal halide sources with HPS: http://www.lrc.rpi.edu/researchAreas/... The US Department of Energy's information on blue light sources in street lighting: https://www.energy.gov/sites/prod/fil... The University of Pittsburgh's environmental assessment of LEDs (in case you're concerned about the extra e-waste compared to mercury and sodium): https://www.sciencedaily.com/releases... General information on the spectral sensitivity of the human eye: https://light-measurement.com/spectra... Basic information on light pollution (including relative impact on skyglow) taken from everyone's favorite trusted source of knowledge: https://en.wikipedia.org/wiki/Light_p... Cree LED datasheet: http://api.icentera.com/v2/getfile.as... Product overview: https://lighting.cree.com/products/ou... More information on spectral mismatch: https://www.patmullins.com/sodiumpoll... Dr. Alan Lewis's research is cited here: http://www.thelindy.com/uploads/Shoul...
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