Microwave

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Microwave

Microwave (/ˈmaɪ.kroʊ.weɪv/) is a form of electromagnetic radiation with wavelengths ranging from about one meter to one millimeter; with frequencies between 300 MHz (1 m) and 300 GHz (1 mm).

Etymology

The term "microwave" comes from the Greek words "micros" meaning small and "wave" from the Latin "vagus" meaning wandering. It was first used in the 1940s to describe the technology that was used in radar systems during World War II.

Related Terms

  • Electromagnetic spectrum: The range of all types of EM radiation. Radiation is energy that travels and spreads out as it goes – the visible light that comes from a lamp in your house and the radio waves that come from a radio station are two types of electromagnetic radiation.
  • Frequency: The number of occurrences of a repeating event per unit of time.
  • Wavelength: The spatial period of a periodic wave—the distance over which the wave's shape repeats.
  • Radar: A detection system that uses radio waves to determine the range, angle, or velocity of objects.
  • Electromagnetic radiation: The waves of the electromagnetic field, propagating (radiating) through space, carrying electromagnetic radiant energy.

Usage in Medicine

Microwaves are used in medicine for various purposes. They are used in Microwave ablation therapy for the treatment of various types of cancers. Microwaves are also used in Microwave diathermy which uses heat from microwaves to produce deep heating in body tissues to promote blood flow and assist in the healing process.

See Also

External links

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