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Friday, October 22, 2010

弄乾毛髮的生物數學

經過量度,毛髮濃密的哺乳類動物,轉動身體以弄乾毛髮的頻率,大約為每秒R-0.75,而R是身體的半徑。(註:據稱,以往估計是R-0.5,但現在的量度仍與物理學解釋相乎。) 所以體積愈小, 所需要動作愈大, 老鼠是27Hz而熊人是4Hz。

文獻: http://arxiv.org/abs/1010.3279

1 comment:

Anonymous said...

haha...very lovely video, next time i shake my head and i can save electricity for using less hair dryer : )