The text for the URL on HN gives it away, but the URL itself does not. Which is ... | Hacker News

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scott_s on Feb 14, 2011 | parent | context | favorite | on: Formula for love: X^2+(y-sqrt(x^2))^2=1

The text for the URL on HN gives it away, but the URL itself does not. Which is why I was able to pleasantly surprise a friend of mine with it.

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