HackerTube / Video
Hamming, "n-Dimensional Space" (April 14, 1995)
securitylectures

Richard Hamming's 1995 lecture on n-dimensional space, showing how geometric intuition about spheres and cubes breaks down in high dimensions. It is part of his course on learning to learn.
Recommended as the source for counterintuitive high-dimensional geometry and described as an eye opener.
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