不论是在武侠小说中经常出现的暗器“飞镖”,还是在河边无聊时捡起石头玩的“打水漂”,它们虽然都可以到达指定位置,但是注定踏上了有去无回的旅程。而“回旋镖”却与众不同,它不仅能够向外飞行一段距离,还可以自行返回到发射者手中,因此,吸引着众多人进行尝试和挑战。那么,你知道它背后的科学原理吗?
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