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Saturday, November 23, 2024 |
I Always Wondered About That Date: Sent Monday, June 11, 2007 Category: None | Rating: 2.53/5 (355 votes) Click a button to cast your vote
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During a summer break from my studies at an engineering university, I worked in a scrap yard repairing construction equipment. One afternoon, I was
taking apart a piling hammer that had some very large bolts holding it together. One of the nuts had corroded onto the bolt, so I started heating the
nut with an oxyacetylene torch. As I was doing this, one of the dimmest apprentices I have ever known came along and asked me what I was doing. I
patiently explained that if I heated the nut, it would grow larger and release its grip on the bolt so I could then remove it.
"So things get larger when they get hot, do they?" he asked.
Suddenly, an idea flashed into my mind. "Yes," I said, "that's why days are longer in summer and shorter in winter."
There was a long pause, then his face cleared. "You know, I always wondered about that," he said.
Received from Thomas S. Ellsworth.
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