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The Electromagnetic Spectrum
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| Submitted: Thu Jul 11 2002
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The Electromagnetic Spectrum The electromagnetic spectrum is the collective name for all types of radiation. Radiation is energy that travels around in waves. The electromagnetic spectrum goes from the waves with the lowest energy to those with the highest energy. Radio Waves Radio waves have the longest wavelengths in the electromagnetic spectrum. They can be from as long as a football to as long as a football pitches. Radio waves carry signals from devices from one place to another invisibly through the air. Radio waves are used for many different jobs: ? In Medicine - radio waves are used to transmit the pattern of a heartbeat through a monitor at a patient's home to a nearby hospital. They are also used to radio the condition of a patient from an ambulance to a hospital. Radio waves are used in medicine when paramedics are dispatched to the scene where they are needed. The hospital can...
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