2 反物質：宇宙的奇異對稱
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2 反物質：宇宙的奇異對稱
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About this listen
這段文字闡述了反物質的真實存在，儘管它常出現在科幻小說中。文章解釋了粒子和反粒子如何從純能量中誕生並在接觸時湮滅，將質量轉化回能量。它還回顧了反電子（正電子）的發現歷史及其在粒子加速器中製造反原子的努力。此外，文本比較了粒子和反粒子的特性，強調它們除了質量外，所有性質都相反，甚至無電荷的中子也有反中子。最後，文章探討了反物質的儲存挑戰，並討論了宇宙中物質與反物質數量不平衡的未解之謎。
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