{"id":"cymatics","no":387,"name":"Cymatics","ja":"サイマティクス","era":"1787–","family":"図解表現","kind":"技法","collection":"Dictionary expansion 21","addedAt":"2026-08-18","source":{"title":"Exploratorium","url":"https://www.exploratorium.edu/"},"reference":{"status":"verified","pageUrl":"https://www.exploratorium.edu/","credit":"Exploratorium","gallery":[{"imageUrl":"https://commons.wikimedia.org/wiki/Special:FilePath/Chladni%20plate%2010.jpg?width=640","pageUrl":"https://commons.wikimedia.org/wiki/File:Chladni%20plate%2010.jpg","credit":"クラドニ板の紋様（CC BY-SA 4.0）"},{"imageUrl":"https://commons.wikimedia.org/wiki/Special:FilePath/Chladni%20plate%2004.jpg?width=640","pageUrl":"https://commons.wikimedia.org/wiki/File:Chladni%20plate%2004.jpg","credit":"クラドニ図形（別の振動数）— Wikimedia Commons / CC BY-SA 4.0"},{"imageUrl":"https://commons.wikimedia.org/wiki/Special:FilePath/Chladni%20plate%2009.jpg?width=640","pageUrl":"https://commons.wikimedia.org/wiki/File:Chladni%20plate%2009.jpg","credit":"クラドニ図形（高次モード）— Wikimedia Commons / CC BY-SA 4.0"}]},"essence":"振動する板の砂が描くクラドニ図形に始まる、音を物質の紋様として見る実験。周波数ごとに現れる幾何学は、音と形の対応を目撃させる最古の可視化装置。","cues":["クラドニ図形","砂と粉の定在波","周波数ごとの紋様","実験装置の直接性"],"intents":["技術","高揚","静けさ"],"works":["音や振動を、装置ごと見せる実験展示として組み立てるとき","周波数と形の対応を、説明ではなく体験として理解させるとき"],"recipe":{"type":"粒は細かく乾いたものを選び、薄く一層だけ板の上に敷く","layout":"固定点を中央に据え、対称の図形が立つ位置から観客に見せる","material":"均質な金属板か薄膜を使い、斜光で紋様の陰影を起こす"},"avoid":"映像映えを狙って周波数を連続で動かすと図形が定在せず、音と形が対応するという肝心の主張が伝わらない","colors":["#e2a96b","#b1693b","#000000"],"motif":"notation","pair":["spectrogram","generative-art"],"study":["クラドニの実験 1787","ハンス・イェニーの命名","音響可視化の現代作家"],"en":{"essence":"The experiment of seeing sound as a pattern in matter, beginning with the Chladni figures that sand draws on a vibrating plate. Each frequency brings out its own geometry, which makes this the oldest device for witnessing how sound and form correspond.","cues":["Chladni figures","Standing waves in sand and powder","A pattern for every frequency","The directness of the apparatus"],"works":["Building an exhibit of sound where the apparatus is part of the show","Letting people grasp the link between frequency and form by experience"],"recipe":{"type":"Fine dry powder, spread as a single thin layer on the plate","layout":"Center the clamped point, view from where symmetry appears","material":"An even metal plate or membrane, raking light to raise pattern"},"avoid":"Sweeping the frequency for a good looking video never lets a figure settle, and the central claim about sound and form fails to land.","study":["Chladni's experiments of 1787","Hans Jenny's coinage","contemporary sound-visualization artists"]},"links":{"page":"https://indexstyle.org/styles/cymatics","json":"https://indexstyle.org/api/styles/cymatics","designSpec":"https://indexstyle.org/styles/cymatics/design.md","imagePrompt":"https://indexstyle.org/styles/cymatics/prompt.txt"},"usage":{"license":"CC-BY-4.0","licenseName":"Creative Commons Attribution 4.0 International","licenseUrl":"https://creativecommons.org/licenses/by/4.0/","attribution":"IndexStyle — https://indexstyle.org","attributionUrl":"https://indexstyle.org","scope":"Original IndexStyle text and structured data. Reference images, quoted works, and third-party material are excluded and retain their own rights."}}