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  1. 1 point
    You see here the wavelength profiles of sunlight, a white Led light, and fluorescent light. Superficially, all three appear to be white light. But just look at the components of that light. The fluorescent creates its white light by mixing a very specific red, with a very specific green and a very specific blue. Hence the three peaks. The other wavelengths are almost completely absent. The Led does something similar. https://www.researchgate.net/figure/The-power-spectra-of-the-standard-sunlight-AM15-a-white-LED-used-in-this-work-and-a_fig1_320346591
  2. 1 point
    I made some changes to the loft today.
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