Thomas Edison Made His First Sound Recordings on a Cylinder

question 8

True/False

Thomas Edison made his first sound recordings on a cylinder wrapped in tinfoil.

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Definitions:

Palpebrae

The medical term for eyelids, which protect and moisturize the eyes.

Sclera

White of the eye; white, opaque portion of the fibrous tunic of the eye.

Bulbar Conjunctiva

Conjunctiva that covers the surface of the eyeball.

Blink Reflex

An involuntary blinking of the eyelids elicited by stimulation of the cornea or sudden approach of objects, serving as a protective mechanism for the eyes.