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Riess spiral : ウィキペディア英語版 | Riess spiral Riess spirals, or Knochenhauer spirals, are a pair of spirally wound conductors with metal balls at their ends. Placing one above the other forms an induction coil. Heinrich Hertz used them in his discovery of radio waves.〔The Creation of Scientific Effects: Heinrich Hertz and Electric Waves, 1994, Jed Z. Buchwald; Ch 14: A Novel Device, pg 219.〕 They are named for German physicist Peter Theophil Riess. ==References==
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Riess spiral」の詳細全文を読む
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