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Re:Pentagon has a laser that can identify people at a distan... by ben_w on Friday June 28, 2019 @08:47PM (#20310050)
I saw the same chart, but I thought it’s only showing down to 1 keV photons? Whereas blue light is about 2.6 eV?
Re:Pentagon has a laser that can identify people at a distan... by TeMPOraL on Saturday June 29, 2019 @03:37AM (#20311313)
My mistake, I confused the scales when reading the chart. Indeed it doesn't extend below 1keV.