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You know the old Hughes Mearns poem, "As I was going up the stair, I met a man who wasn't there ..."Astronomers study objects we assume are really there. But sometimes they're not. A few months ago we mentioned rainbows, which stirred some controversy. Are they there? Sort of. A rainbow is nothing but a group of light rays converging on your eyes. It has no solidity. It cannot cast a shadow. But i...
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January 2008: Let's balance out 2008's all-even numerals, which won't repeat for a while, by selecting an odd event in each month of this New Year. By
Bob Berman //
Published: January 1, 2008 |
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