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機器人：你知道為什麼LED燈，是比較省電的燈泡嗎？ A、利用電動與電子結合以光的形式激發釋出 B、屬於冷性發光 C、將電能直接喘換成光能 D、以上皆是 答案是D，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: 22 min
發音: 英語
發行: 2019-04
導演: 史提夫斯潘格勒 主持
片長: 1 min
發音: 華語
發行: 2018-01
導演: 安偉民
片長: 48 min
發行: 2017-06
導演: 美國國家地理頻道 製作
片長: 24 min
發行: 2013-01
導演: 導演:瑪拉歐斯
發行: 2021-01
導演: 製作：STEVE ROTFELD PRODUCTIONS導演：STEVE BRONSTEIN
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