Tuesday, November 22, 2011
Tautochrone Curve
A tautochrone (or Isochrone) is a curve for which all frictionless bodies, sliding under uniform gravity, will reach the bottom at the same time regardless of starting position.
Wikipedia
Sunday, November 6, 2011
Arrow's Paradox
Arrow's Paradox says there is no 'good' voting system.
There is an excellent writeup on it
here.
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