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Topology
“
丕賱胤亘賵賱賵噩賷 賴賵 卮禺氐 賱丕 賷賲賷賾夭 亘賷賳 賰毓賰丞 (丕賱丿賵賳丕鬲) 賵賮賳噩丕賳 丕賱賯賴賵丞
”
― 1,000 Playthinks: Puzzles, Paradoxes, Illusions & Games
― 1,000 Playthinks: Puzzles, Paradoxes, Illusions & Games

“
A.N. Kolmogorov and Yasha Sinai had worked out some illuminating mathematics for the way a system's "entropy per unit time" applies to the geometric pictures of surfaces stretching and folding in phase space. The conceptual core of the technique was a matter of drawing some arbitrarily small box around some set of initial conditions, as one might draw a small square on the side of a balloon, then calculating the effect of various expressions or twists on the box. It might stretch in one directio
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”
― Chaos: Making a New Science
― Chaos: Making a New Science

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