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microwave
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Are microwaves actually safe?
Diagram of the electromagnetic spectrum with labeled sections for radio waves, microwaves, infrared, visible light, ultraviolet, X-rays, and gamma rays, each paired with an example use and corresponding image.
How do microwave ovens work?
A demonstration showing how microwaves heat food, based on technology developed from Raytheon's wartime magnetron research.
Understand how the electromagnetic spectrum helps study the celestial bodies
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microwave

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Are microwaves actually safe?
Are microwaves actually safe?Using chemistry to understand the safety of microwave ovens.
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microwave, electromagnetic radiation having a frequency within the range of 1 gigahertz to 1 terahertz (109–1012 cycles per second) and a wavelength between 1 mm and 1 m.

This article was most recently revised and updated by Michele Metych.