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The Bagel
The bagel, or torus, is not merely a good shape for baking - it's also a good shape for office complexes, code-breaking and maybe even universes.
The bagel, or torus, is not merely a good shape for baking - it's also a good shape for office complexes, code-breaking and maybe even universes.
As one of the simplest building blocks in the relatively new and highly versatile subject of topology, the bagel is arguably the most important shape in modern mathematics.
Last on
Thu 22 Sep 2005
15:45
主播大秀 Radio 4
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The Magic Number
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