コメント
aliceiris711さんの言葉:
5076日 前ONCE PUBLICLY DEMONSTRATED this weapon will be helpful for us in the same sense as the "area denial skin heater" weapon, and the acoustic spot- light/hypersonic sound voice projection technologies.
aliceiris711さんの言葉:
5076日 前(Before a public demo, it has the same persuasive value as patents. Patents are good to refer to, as long as they aren't presented as proof a technology actually exists and has been successfully demon- strated.) These technologies are in a class which produces effects LIKE those we experience, but which are not true through wall weapons.
aliceiris711さんの言葉:
5076日 前Keep in mind that ultrasound beams are heavily attenuated (reduced in power) and heavily diffused (go in all directions, loss of "beam" property) when they encounter a wall. When a pair of ultrasound beams hits a wall, whatever low frequency modulation they carry, be it voice or infra- sound, is dumped into the air at the point of impact.
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