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The history of computers, from 1938 to 2010, all illustrated via this informative infographic. Enjoy!  [Source: Test King]

The history of computers, from 1938 to 2010, all illustrated via this informative infographic. Enjoy! [Source: Test King]

Light is energy that can take on many forms. Radio waves, microwaves, infrared, visible, ultraviolet, X-ray and gamma radiation are all different forms of light. (Illustration: NASA/CXC/M.Weiss)

Light is energy that can take on many forms. Radio waves, microwaves, infrared, visible, ultraviolet, X-ray and gamma radiation are all different forms of light. (Illustration: NASA/CXC/M.Weiss)

Commonly confused adjectives with explanations.

Commonly confused adjectives with explanations.

Color Psychology

Color Psychology