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  2. Microwave auditory effect - Wikipedia

    en.wikipedia.org/wiki/Microwave_auditory_effect

    However, it's been argued that despite waves the microwave auditory effect only constituting a rapid 10 −6 °C rise in temperature, for threshold peaks on each pulse, that, at the least, a strong peak of around 1400 kW/cm² (1.4 billion mW/cm²) would certainly be harmful due to the resulting pressure wave.

  3. Psychoacoustics - Wikipedia

    en.wikipedia.org/wiki/Psychoacoustics

    Hearing is not a purely mechanical phenomenon of wave propagation, but is also a sensory and perceptual event. When a person hears something, that something arrives at the ear as a mechanical sound wave traveling through the air, but within the ear it is transformed into neural action potentials. These nerve pulses then travel to the brain ...

  4. Engineering students extinguish a fire with sound waves - AOL

    www.aol.com/news/2015-03-26-engineering-students...

    The fire will act like a cat going after a laser pointer light and that is all it takes to cut off the oxygen from the fire." The duo says that one day, they hope this technique can help out in a ...

  5. If a tree falls in a forest and no one is around to hear it ...

    en.wikipedia.org/wiki/If_a_tree_falls_in_a_forest...

    However, if we define sound as the waves themselves, then sound would be produced. This all leaves out sounds heard from imagination, hallucination, synesthesia, and tinnitus. These phenomena prove that sound is virtualized reality since these all exist without vibration in the air. The same applies to all other senses that produce perceptions.

  6. Auditory hallucination - Wikipedia

    en.wikipedia.org/wiki/Auditory_hallucination

    The internalization process of the inner voice is the process of creating an inner voice during early childhood and can be separated into four distinct levels. [14] [65] [67] Level one (external dialogue) involves the capacity to maintain an external dialogue with another person, i.e. a toddler talking with their parent(s).

  7. Neural encoding of sound - Wikipedia

    en.wikipedia.org/wiki/Neural_encoding_of_sound

    The Outer ear consists of the pinna or auricle (visible parts including ear lobes and concha), and the auditory meatus (the passageway for sound). The fundamental function of this part of the ear is to gather sound energy and deliver it to the eardrum. Resonances of the external ear selectively boost sound pressure with frequency in the range 2 ...

  8. Hearing - Wikipedia

    en.wikipedia.org/wiki/Hearing

    The stapes transmits sound waves to the inner ear through the oval window, a flexible membrane separating the air-filled middle ear from the fluid-filled inner ear. The round window, another flexible membrane, allows for the smooth displacement of the inner ear fluid caused by the entering sound waves.

  9. Hypersonic effect - Wikipedia

    en.wikipedia.org/wiki/Hypersonic_effect

    It is a common understanding in psychoacoustics that the ear cannot respond to sounds at such high frequency via an air-conduction pathway, so one question that this research raised was: does the hypersonic effect occur via the "ordinary" route of sound travelling through the air passage in the ear, or in some other way?