Bell Telephone Laboratories Invented the ________, Which Replaced the Vacuum

question 2

Short Answer

Bell Telephone Laboratories invented the ________, which replaced the vacuum tube.

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Definitions:

Eardrum

A thin membrane that separates the outer ear from the middle ear and vibrates in response to sound waves.

Smallest Bones

The three bones in the middle ear known as the malleus, incus, and stapes, which are essential for transmitting sound vibrations to the inner ear.

Middle Ear

The part of the ear located between the eardrum and the inner ear, containing three small bones that transmit sound vibrations.

Localize Sounds

The ability to determine the location or origin of a sound source in the environment.