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機器人：一把尺經過摩擦之後就可以把小紙片吸起來，請問這是什麼原理呢？ A、魔術的一種 B、尺上面有膠水 C、靜電原理 答案是C，你答對了嗎？我們來看影片的解說。
#科學 #能源 #氣候 #科技 #自然
分級:
片長:
發音:
發行:
導演:
分級: 普遍級
片長: 1 min
發音: 華語
發行: 2018-01
導演: 安偉民
片長: 22 min
發行: 2015-06
導演: 翰星傳播製作
片長: 24 min
發行: 2013-01
導演: 導演:瑪拉歐斯
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