Paul Lutus wrote:
> Another example is non-Euclidean geometry, which was an impractical, 
> exotic
> plaything for about 100 years, until general relativity came along and
> required it. Without non-Euclidean geometry, Einstein wouldn't have been
> able to express GR at all.
> 
> Prior to that, few would have guessed that the universe isn't Euclidean.

Wait, are you suggesting that in a hundred years, Happy Numbers could 
prove the universe is...  Happy?

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