• Blue_Morpho@lemmy.world
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    8 months ago

    There aren’t infinite frequencies.

    “The mean free path in air is 68nm, and the mean inter-atomic spacing is some tens of nms about 30, while the speed of sound in air is 300 m/s, so that the absolute maximum frequency is about 5 Ghz.”

    • intensely_human@lemm.ee
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      8 months ago

      The term “mean free path” sounds a lot like an average to me, implying an distribution which extends beyond that number.