But there’s a third idea, based on an observation the physicist Michael Faraday made in 1850: He pressed two ice cubes against each other and saw that they froze together.

但还有第三种想法，基于物理学家迈克尔法拉第 1850 年的观察：他将两个冰块相互压在一起， 发现它们冻结在一起。