- Image via Wikipedia
I swear this was my answer the first time I heard the question:
Round Manhole Covers, or: If Richard Feynman applied for a job at Microsoft :: hebig.org/blog
Q: Why are manhole covers round?
A: We have to look at what is under the cover to answer that question. The hole below the cover is round because a cylinder is the strongest shape against the compression of the earth around it.
You have to read the whole article. It’s great.
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July 6th, 2009 → 12:04 am
[...] Yes! Manhole Covers are Round because Sewers are Cylindrical! (hyperbored.com) tweetmeme_url = ‘http://www.newcommbiz.com/could-the-internet-move-back-to-an-aol-model/’;tweetmeme_source = ‘tacanderson’; If you enjoyed this post, make sure you subscribe to my RSS feed! [...]
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July 6th, 2009 → 12:09 am
[...] Yes! Manhole Covers are Round because Sewers are Cylindrical! (hyperbored.com) tweetmeme_url = ‘http://www.newcommbiz.com/screw-the-press-release-blog-it/’;tweetmeme_source = ‘tacanderson’; If you enjoyed this post, make sure you subscribe to my RSS feed! [...]
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