...In terms of technological history, it refers to a machine that continues to move without human or animal power, and in terms of physics, it refers to a device that does work on the outside world but does not cause any change in itself. In the West, it was believed that nothing is eternal except the movement of the heavens, so the creation of such a machine on earth was considered impossible, but in India, where everything is based on reincarnation, the idea of a perpetual motion machine was conceived. Specifically, around 1150, the Indian astronomer and mathematician Bhaskara II described the invention of a perpetual motion machine in his book On the First Truths. ... *Some of the terminology that mentions "Taccola, M.di J." is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…技術史的には人力や畜力によることなく運動し続ける機械を指し,物理学の概念としては外部に対して仕事をするが,それ自身には何ら変化を残さないような装置をいう。西洋では天の運動を除いて永遠なものはないと考えられていたので,地上でのそのような機械の製作は不可能とみなされていたが,すべてを輪廻のもとに考えるインドで,永久機関が着想された。具体的には1150年ころインドの天文学者で数学者だったバースカラ2世が《第一真理論》という書物の中で永久機関の考案を叙述している。… ※「Taccola,M.di J.」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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