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Ultrasound or Infrasound - directed at a horse

  1. Nov 27, 2006 #1

    I am researching an article on the past uses of sound on animals whether it be for medical research (e.g. development of ultrasound imaging) or other uses.

    I remember there being a case of a sound wave directed at a race horse in the UK some years ago. This disrupted the horse and put it off from the race. I am trying to locate a reference to it. I recall it being a hand-held device aimed at the horse.

    I would imagine that it was ultrasound that was directed at the horse such that Hz were above that of humans and that the beam of sound was quite focussed. Anyone have any memories of this - or of any similar events?
  2. jcsd
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