Historically, Four Social Revolutions Have Occurred as a Result of New

question 89

Essay

Historically, four social revolutions have occurred as a result of new technologies. List the technologies which led to these social changes and their consequences.

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Definitions:

Retina

A layer of tissue located at the back of the eye, containing cells that are sensitive to light and trigger nerve impulses that pass via the optic nerve to the brain.

Rhodopsin

A light-sensitive pigment found in the rod cells of the retina, crucial for low-light vision.

Photoreceptor

A light-sensitive cell located on the retina that converts light energy into neural impulses.

Iris

the colored ring around the pupil of the eye, responsible for controlling the size of the pupil and thus the amount of light that enters the eye.