... away¹

In case the concept of ``infinity'' still bothers you, think instead of a point really very very far away, and then even farther, and then even farther. We reach infinity in physics by a succession of steps in a limiting process. If you like, think of infinity as a lot farther than you'd ever care to walk...

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... me²

Actually, he was a young professor at the time, but this was a long time ago.

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... walk³

``infinity'', remember

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