domingo, 1 de mayo de 2016

How hearing aid works


This is the principle of hearing aid (the machine for hearing handicapped) and how to work.

The URL address is 'https://www.youtube.com/watch?v=4q1Jpcp8yD4'

5 comentarios:

  1. I think amplifier is the most important because the change in signal and the colar difference of
    Battery is convenient

    ResponderEliminar
  2. I think amplifier is the most important because the change in signal and the colar difference of
    Battery is convenient

    ResponderEliminar
  3. OMG~!!! that video has amazing information!!!!!!
    i got courage that i can understand everything about how amplifier work
    in that device~!!

    ResponderEliminar
  4. My grandpa wears those and I always wanted to know how they worked

    ResponderEliminar
  5. Es impresionante como la ciencia y la física se unen para mejorar la salud

    ResponderEliminar