...If the remaining half is filled with mercury until water begins to leak out and the hole is blocked, the wheel will rotate by itself due to the rotation of the water." Ibn Riḍwān, who was active in the Islamic world around 1200, wrote in his book six types of perpetual motion machines that use gravity, one of which is the same as Bhaskara's first invention, and it is known that he was influenced by Bhaskara. 13th century Europe was a time of technological innovation, so the idea of perpetual motion machines was popular. *Some of the terminology explanations that mention "Ibn Ridwan" are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…残りの半分には水が漏れ始めるまで水銀を入れて穴をふさげば,車は水の回転によっておのずから回るであろう〉と書いている。1200年ころイスラム圏で活躍したイブン・リドワーンIbn Riḍwānの書物には重力を利用した6種類の永久運動機械が記されているが,その一つはバースカラの第1の考案と同じで,バースカラの影響があったことが知られる。13世紀ヨーロッパは技術革新の時代だったので永久機関の考案が流行した。… ※「イブン・リドワーン」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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