Electromagnetic Wave
An electric and magnetic disturbance that travels through space like a wave. What we experience as light is an electromagnetic wave. Electromagnetic waves therefore travel at the Speed of Light. Other types of electromagnetic wave range from Radio Waves and Microwaves, through to X-Rays and Gamma Rays.
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Four Areas of Science
Inspiration
Go, wond'rous creature!
Mount where Science guides,
Go, measure earth, weigh air,
and state the tides;
Instruct the planets in
what orbs to run,
Correct old Time,
and regulate the Sun.