Monthly Archives: March 2006

Cranking it up

The National Academy of Sciences has decided to recognize a “paper of the year” published in its Proceedings. Surprisingly, the first paper to be anointed in this way is by a student. Even more surprising, it’s a mathematical paper. Why … Continue reading

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Today’s catch

Every morning I go fishing in the arXiv. Or at least that’s the way I’ve been thinking about this daily ritual: I cast my net over the waters and look to see what strange and wonderful creatures I’ve brought up … Continue reading

Posted in mathematics, physics, science | 1 Comment

An early crop of Sudoku

The invention of the puzzle we now call Sudoku is generally credited to Howard Garns, an architect from Indianapolis. His first puzzles, which were known then as Number Place, were published in 1979. But now a curious precedent has turned … Continue reading

Posted in games, mathematics | 2 Comments

Old Man River

Luna B. Leopold, the foremost American student of rivers and the landscapes they create, died February 23 at age 90. I never met him, but I’ve been a follower and a fan of his work, which I first encountered in … Continue reading

Posted in science | 2 Comments

My protest against the tyranny of time

But now I’m back, and the announcement you are reading at this moment should be followed—or is it preceded?—by several more posts in short order. Actually, to tell the truth, I’ve gone nowhere geographically, but I’ve been busy finishing a … Continue reading

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