That's from an article in Playboy, which I was reading the other day.  I have every reason to think it's true; I was reading Playboy because I, myself, had an article in it.  Unaided human intuition, schooled in Middle World, finds it hard to believe Galileo when he tells us a heavy object and a light object, air friction aside, would hit the ground at the same instant.
这个故事来是我前几天 在看《花花公子》时读到的。 我有很多理由认为这是真实的。我读《花花公子》是因为 我本人在上面登了文章哦。 在中观世界中得以调教的人类直觉，在没有受到协助的情况下， 会很难相信当年伽利略告诉我们 一个重物和一个轻物在不考虑空气阻力的情况下 会同时落到地面这一事实。