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• Acoustics
  ...ield of acoustics is an [[acoustician]] while someone working in the field of acoustics technology may be called an [[acoustical engineer]]. ...acoustic" is derived from the Greek word ἀκουστικός (akoustikos), meaning "of or for hearing, ready to hear". Akoustikos is derived from the verb ἀκο
  2 KB (217 words) - 14:17, 5 February 2024
• Frequencies
  == Frequencies == ...s]], and [[Medicine]]. In the medical field, it often refers to the number of times a particular event or circumstance occurs within a specified period.
  2 KB (272 words) - 17:33, 6 February 2024
• Electromagnetic wave
  ...ectromagnetic Wave''' (pronunciation: /ɪˌlɛktrəʊmæɡˈnɛtɪk weɪv/) is a type of wave that is propagated by the [[Electromagnetic field]]. ...es of the wave. The term "wave" is used to describe the oscillating nature of the phenomenon.
  2 KB (250 words) - 22:08, 14 February 2024
• Polarization (waves)
  '''Polarization (waves)''' ...In the context of [[electromagnetic waves]], this refers to the direction of the electric field.
  2 KB (222 words) - 23:01, 14 February 2024
• Sound waves
  == Sound Waves == ...vel sufficiently strong to be heard, or the sensation stimulated in organs of hearing by such vibrations.
  2 KB (305 words) - 07:03, 14 February 2024
• Bandwidth
  ...apacity or range of frequencies within a band, in particular, the range of frequencies used for transmitting a signal. .... In medicine, the term has been adopted to describe the range or capacity of various medical technologies and procedures.
  1 KB (217 words) - 17:01, 5 February 2024
• Ultrasonic
  ...hertz (20,000 hertz) in healthy, young adults. Ultrasonic devices are used in many different fields, including medicine, industry, and other areas. ...ment of a fetus, but can also be used to diagnose conditions in many parts of the body.
  2 KB (288 words) - 15:03, 6 February 2024
• Radionics
  ...sed and treated by applying electromagnetic radiation (EMR), such as radio waves, to the body from an electrically powered device. It is also sometimes refe The term "radionics" was coined in the early 20th century from "radiation" and the then popular suffix "-onics
  2 KB (209 words) - 23:23, 5 February 2024
• Beat (acoustics)
  ...as a periodic variation in volume whose rate is the difference of the two frequencies. ...means "to beat, to strike". It was first used in the context of acoustics in the 19th century.
  2 KB (231 words) - 22:16, 7 February 2024
• Far infrared
  ...n within the [[C band]] (2 to 4 micrometers) and [[E band]] (60 to 90 GHz) of the electromagnetic spectrum. ...ed light has a longer wavelength (and therefore lower frequency) than that of red light, which is why it is named "below red".
  2 KB (226 words) - 22:10, 8 February 2024
• Atmospheric windows
  ...indows''' (pronunciation: /æt.məˈsfɪr.ɪk ˈwɪn.doʊz/) are specific portions of the [[electromagnetic spectrum]] that can pass through the [[Earth's atmosp ...ers to the "openings" in the Earth's atmosphere that allow specific ranges of electromagnetic radiation to pass through.
  2 KB (272 words) - 17:15, 10 February 2024
• Vega machine
  ...unced: /ˈveɪɡə məˈʃiːn/) is a type of [[bioresonance]] therapy device used in [[alternative medicine]]. ...f its inventor, Dr. Helmut Schimmel, who named it after the brightest star in the constellation Lyra. The term "machine" is used to denote its mechanical
  2 KB (336 words) - 22:49, 8 February 2024
• Gamma wave
  ...ave frequencies and are associated with peak concentration and high levels of cognitive functioning. ...ysics to denote frequency. The term "wave" refers to the wave-like pattern of [[neural oscillation]]s that these brainwaves produce.
  1 KB (192 words) - 21:00, 12 February 2024
• Radio waves
  == Radio waves == ...lectromagnetic spectrum longer than [[Infrared|infrared]] light. They have frequencies from 300 [[Gigahertz|GHz]] to as low as 3 [[Kilohertz|kHz]], and correspond
  2 KB (235 words) - 07:07, 14 February 2024
• Microwave auditory effect
  ...) energy. The term was coined by American neuroscientist [[Allan H. Frey]] in 1961. ...itory Effect" is derived from the words "microwave", referring to the type of [[electromagnetic radiation]] used, and "auditory effect", indicating the i
  2 KB (291 words) - 19:51, 7 February 2024
• High frequency
  ...between 3 and 30 [[megahertz]] (MHz). High frequency waves are often used in medical treatments and procedures due to their unique properties. ...radio technology was being developed. The term was used to describe radio waves that had a higher frequency than what was commonly used at the time.
  2 KB (231 words) - 04:07, 9 February 2024
• Radiofrequency
  ...refers to the oscillation rate of electromagnetic radio waves in the range of 3 kHz to 300 GHz, as well as the alternating currents carrying the radio si .... This term was first used in the early 20th century, with the development of wireless communication technology.
  1 KB (199 words) - 22:37, 7 February 2024
• Focused ultrasound
  ...of many medical disorders by using ultrasonic energy to target tissue deep in the body without incisions or radiation. ...words "ultra" (beyond) and "sonus" (sound), referring to sound waves with frequencies higher than those audible to humans.
  2 KB (237 words) - 17:40, 10 February 2024
• Microwave
  ...tion with wavelengths ranging from about one meter to one millimeter; with frequencies between 300 MHz (1 m) and 300 GHz (1 mm). ...g. It was first used in the 1940s to describe the technology that was used in radar systems during World War II.
  2 KB (255 words) - 19:50, 5 February 2024
• Radiant energy
  ...r energy]], [[heating]] and [[lighting]], but is also used less frequently in other fields (such as [[telecommunications]]). .... This energy can be either potential or kinetic. When used in the context of solar energy, radiant energy refers to the energy that is absorbed from the
  2 KB (210 words) - 04:43, 9 February 2024

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