Editing Resonance (section)

==Examples==
{{more citations needed section|date=February 2024}}
[[File:Little girl on swing.jpg|thumb|Pushing a person in a [[swing (seat)|swing]] is a common example of resonance. The loaded swing, a [[pendulum]], has a [[natural frequency]] of oscillation, its resonant frequency, and resists being pushed at a faster or slower rate.]]

A familiar example is a playground [[Swing (seat)|swing]], which acts as a [[pendulum]]. Pushing a person in a swing in time with the natural interval of the swing (its resonant frequency) makes the swing go higher and higher (maximum amplitude), while attempts to push the swing at a faster or slower tempo produce smaller arcs.<ref name="Hüwel">{{cite book
  | last = Hüwel
  | first = Lutz 
  | title = Of Clocks and Time
  | publisher = Morgan and Claypool
  | date = 2018
  | location = 
  | language = 
  | url = https://books.google.com/books?id=Ej9iDwAAQBAJ&pg=SA2-PA26
  | doi = 
  | id = 
  | isbn = 9781681740966
  | mr = 
  | zbl = 
  | jfm =}}</ref>{{rp|p.2–24}} This is because the energy the swing absorbs is maximized when the pushes match the swing's natural oscillations.

Resonance occurs widely in nature, and is exploited in many devices. It is the mechanism by which virtually all [[sinusoidal]] waves and vibrations are generated. For example, when hard objects like [[metal]], [[glass]], or [[wood]] are struck, there are brief resonant vibrations in the object.<ref name="Hüwel"/>{{rp|p.2–24}} Light and other short wavelength [[electromagnetic radiation]] is produced by resonance on an [[Atomic spacing|atomic scale]], such as [[electron]]s in atoms.  Other examples of resonance include:

* Timekeeping mechanisms of modern clocks and watches, e.g., the [[balance wheel]] in a mechanical [[watch]] and the [[quartz crystal]] in a [[quartz watch]]
* [[Tidal resonance]] of the [[Bay of Fundy]]
* [[Acoustic resonance]]s of [[musical instruments]] and the human [[vocal tract]]
* Shattering of a crystal wineglass when exposed to a musical tone of the right pitch (its resonant frequency)
* [[Friction idiophone]]s, such as making a glass object (glass, bottle, vase) [[vibration|vibrate]] by rubbing around its rim with a fingertip
* [[Electrical resonance]] of [[tuned circuit]]s in [[radio]]s and [[TV]]s that allow radio frequencies to be selectively received
* Creation of [[Coherence (physics)|coherent]] light by [[optical resonance]] in a [[laser]] [[Optical cavity|cavity]]
* [[Orbital resonance]] as exemplified by some [[natural satellite|moons]] of the [[Solar System]]'s [[giant planet]]s and resonant groups such as the [[plutino]]s
* Material resonances in atomic scale are the basis of several [[spectroscopy|spectroscopic]] techniques that are used in [[condensed matter physics]]
**[[Electron spin resonance]]
**[[Mössbauer effect]]
**[[Nuclear magnetic resonance]]