It would not be for another 4 months that Asimov would use another anecdote, in "Heaven on Earth."
"The nicest thing about writing these essays is the constant mental exercise it gives me. Unceasingly, I must keep my eyes and ears open for anything that will spark something that will, im my opinion, be of interest to the reader.
For instance, a letter arrived today, asking about the duodecimal system, where one counts by twelves rather than by tens, and this set up a mental chain reaction that ended in astronomy and, what's more, gave me a notion which, as far as I know, 12 has never been used as the base for a number system, except by mathematicians in play."
He then goes on to talk about numbering systems.
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