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  1. ...electromagnetic spectrum called visible light. Enhanced spectral range allows the viewer to take advantage of non-visible..., the neurological noise filters limit sensitivity to a few tens of photons, even in ideal...

    分類:政治及管治 > 軍事 2006年12月04日

  2. ... are obviously incorrect. Since the two spectral lines are close to each other (i.e. with not large frequency difference), variation of human eye sensitivity to frequency doesn't need to be accounted for. ...

    分類:科學及數學 > 物理學 2016年11月04日