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| + | ====== 9. Levitation control ====== | ||
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| + | When arranged in a specific configuration, small graphite sheets can levitate on neodymium magnets. By shining light onto the surface of the graphite sheet, it is possible to control its movement. Explain and investigate the phenomenon. | ||
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| + | ====== 9. 悬浮控制 ====== | ||
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| + | 当小石墨片以特定的排列方式放置在钕磁铁上时，它们能够悬浮起来。通过向石墨薄片表面照射光线，可以控制其运动状态。解释并研究这一现象。 | ||