科学与环境
Decoding the loopy physics of hula hooping with high-tech earthquake sensors
来源: Phys.org - latest science and technology news stories · 发布于

Hula hooping may be literal child's play, but as it turns out, the physics behind the gym-class staple is so complicated that scientists have spent decades trying to understand how the hula hoop defies gravity.
Hula hooping may be literal child's play, but as it turns out, the physics behind the gym-class staple is so complicated that scientists have spent decades trying to understand how the hula hoop defies gravity.
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