著者
Sasaki Shuichi Yagi Ichimasa Murakami Masato
出版者
American Institute of Physics
雑誌
Journal of Applied Physics (ISSN:00218979)
巻号頁・発行日
vol.95, no.4, pp.2090-2093, 2004-01-01 (Released:2016-05-17)
被引用文献数
9

An iron ball floats in midair in a plastic box when several iron balls were attracted by a permanentmagnet. A complex interaction between magnetized sphere materials and a lifting magnet enabledthe suspension of an iron ball. The balls in the first row are simply attracted by the lifting magnet.The ball in the second row is also attracted by the lifting magnet, however, due to the repulsiveforces exerted from the balls sitting above, it can float in midair. We also found that there are twostable positions for the ball to float. The floating ball could be transported from one equilibriumposition to another by simply rotating the lifting magnet. This will make it possible to construct anoncontact load transport device.

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永久磁石で鉄球を非接触浮揚させる話、Journal of Applied Physics に載ってた(PDFあり)。 http://t.co/JS3t39mt4H

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