¶ Fourth Dimension: Borrowing From Tomorrow’s Clock
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Fourth Dimension: Borrowing From Tomorrow’s Clock:
“This freed the scientist then without any need to explain to the writer what was going on. The scientists had been getting along very beautifully in our calculation about fourth power, fourth dimension, because we borrowed a little from tomorrow’s clock. We do our problem, then we pay tomorrow back. You can’t do that in the physical model, but you can do that on the paper mathematically. We can use the imaginary numbers, the square root of minus one, and so forth. So we get into no trouble at all just handling this with figures and algebra, so we can make a model. …”
