ざつがく・どっと・こむ
ちょっと知的な雑学&トリビア

ゆで卵を回転させたら立つわけ

2006年4月14日 【雑学なメモ
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Scientists at Keio University, Japan have discovered that if you spin an egg fast enough it will lift-off from its surface and ‘jump’ in to the air.
You may ask, what does this offer, other than a timely Easter story? But understanding the process involved has applications for weather forecasting and structural engineering.

慶応大の下村裕教授。1秒に25回転させると、起き上がるまでの1.2秒間に6回、0.1ミリはねた。滞空時間は0.02秒。
天気予報や構造力学に応用できる発見とか。

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