All of those things mentioned were probably in the v/c pipeline when they made that commercial.
I missed my slipstick. Dad says that anyone who can't use a slide rule is a cultural illiterate and should not be allowed to vote. Mine is a beauty - a K&E 20-inch Log-log Duplex Decitrig [....]
So- 1/2 x 30 x 93,000,000 x 5280 = 1/2 x 8 x 32.2 x t2 - and you wind up with the time for half the trip, in seconds. Double that for full trip. Divide by 3600 to get hours; divide by 24 and you have days. On a slide rule such a problem takes forty seconds, most of it to get your decimal point correct. It's as easy as computing sales tax. It took me at least an hour and almost as long to prove it, using a different sequence - and a third time, because the answers didn't match (I had forgotten to multiply by 5280, and had "miles" on one side and "feet" on the other - a no-good way to do arithmetic) - then a fourth time because my confidence was shaken. I tell you, the slide rule is the greatest invention since girls.
- Have Space Suit - Will Travel
In another 15 years, this is how we'll bypass toll booths
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