Pages tagged manhole:

Round Manhole Covers, or: If Richard Feynman applied for a job at Microsoft ::

Richard Feynman
"Why are manhole covers round" is one of the eternal questions in job interviews, and so it seems to be at Microsoft. The desired and politically correct answer to the question is: "Manhole covers are round because round is the only shape that can never fall into the manhole and hurt someone (with the hole of the same shape, but slightly smaller size than the cover)". And the answer is wrong. Let's ask Mr Feynman: