http://individual.utoronto.ca/sck/vday.html one of my favorites "Roses are red. ...

		_corbett on Feb 15, 2011 \| parent \| context \| favorite \| on: Formula for love: X^2+(y-sqrt(x^2))^2=1 http://individual.utoronto.ca/sck/vday.html one of my favorites "Roses are red. Violets are approximately blue. A paracompact manifold with a Lorentzian metric, can be a spacetime, if it has dimension greater than or equal to two."