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The Physics Behind Texting
Mobile phones use antennae to transmit and receive radio waves that carry binary information. -
What is Electromagnetic energy?
Electromagnetic energy travels in waves and spans a broad spectrum from very long radio waves to very short gamma rays.
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Waves and Technology
Waves exist all around us in our everyday lives. Understanding the physics of waves has allowed humans to create incredible technologies that make our lives easier.
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Radio waves, infrared rays, visible light, ultraviolet rays, X-rays, and gamma rays are all types of electromagnetic radiation. Radio waves have the longest wavelength, and gamma rays have the shortest wavelength.
Encyclopædia Britannica, Inc.