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Posted: 20 Nov 2016 08:16 AM PST  「明明沒風，葉子怎麼會像嗑藥一樣不停擺動？難道是神祕搖擺草？」有網友先前在臉書《爆料公社》貼出一段影片並詢問，卻得到「下面老鼠在嘿咻」、「草支擺」等無俚頭回應，逗趣的互動讓其他網友笑翻。為何會有此現象？物理老師張瑞表示，其實還是有微微的風，因受風面與共振的影響下，樹葉會隨之擺動。 《詳全文...》 |
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