EP.256 熱水比冷水更快結冰?彭巴效應的神秘真相! 彭巴效應(Mpemba effect)是一種令人感到相當意外的物理現象:把熱水跟冷水放進冰箱裡,結果熱水比較快結冰! 這種現象相當違反直覺,冷水的溫度比熱水更接近冰點啊,為什麼反而比較慢? 這個現象最早是由坦尚尼亞一位名叫彭巴(Erasto Mpemba)的學生在1960年代觀察到的。 他當時注意到,在製作冰淇淋時,熱牛奶竟然比冷牛奶更快結冰,這個現象因此被命名為「彭巴效應」。 從那之後的數十年來,彭巴效應一直被科學界視為一個奇特且神秘的現象,陸續有許多研究試圖確認這個現象是否真實存在,並研究它背後的原理,不過實驗結果有的說有看到有的說沒有,理論的研究也是有的說會這樣的說不會… #彭巴效應 #冰淇淋 #牛奶 -- Hosting provided by SoundOn
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