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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)

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The electromagnetic spectrum. Radio waves, microwaves, IR radiation, visible light, ultra-violet, X-rays, Gamma rays.

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Anti-drone rifle shoots down UAVs with radio waves

This shoulder mounted device shoots drones with radio waves until they lose signal and come down.

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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)

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Exploring Universe: This image from the Very Large Baseline Array (VLBA) shows what the galaxy M33 would look like if you could see in radio waves.

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NASA: Tour of the Electromagnetic Spectrum. A good introductory series of 8 videos (total 30min) discussing each type of wave length. (If you start the 1st one, the next video clip should auto start.)

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Freq Show: Raspberry Pi RTL-SDR Scanner See what's in the radio waves around you using software-defined radio and a Raspberry Pi!

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