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Dec 31, 2010 at 19:10 comment added Sam Nead A bubble table is also a super way to explore surfaces. I've added this as an answer.
Dec 28, 2010 at 6:42 comment added Ian Agol John Hempel has a nice sculpture of the pseudosphere in his office, for which he had made a small rubber mould of a patch of it. One can move it around and see that it always fits, demonstrating that it is constant curvature.
Dec 27, 2010 at 3:23 comment added Timothy Chow A related MO question: mathoverflow.net/questions/32479/…
Dec 26, 2010 at 2:29 comment added Kevin H. Lin @Sam Nead: Indeed! In the Centre Pompidou in Paris, there are photographs by Man Ray of such sculptures...
Dec 26, 2010 at 0:31 comment added J. M. isn't a mathematician Speaking of Bathsheba Grossman, this one's really cool: mathworld.wolfram.com/images/gifs/FeigenbaumFunction2.jpg . Helaman Ferguson's stuff is also nice: helasculpt.com/gallery/index.html
Dec 25, 2010 at 19:19 comment added Sam Nead As many of these (nytimes.com/slideshow/2004/12/02/magazine/…) as you can find. They are beyond beautiful.
Dec 25, 2010 at 16:59 comment added Dick Palais Do you know about bathsheba.com . The items there are really great. Also look up George Hart and Carlo Sequin.
Dec 25, 2010 at 16:28 history answered J. M. isn't a mathematician CC BY-SA 2.5