John Carlos Baez on Nostr: Now we want to curl up our parallelogram to get a doughnut. There's a problem: the ...

Now we want to curl up our parallelogram to get a doughnut. There's a problem: the numbers at the corners are not all equal. But they're pretty close! And they're close to √2 - the frequency of the tritone, the 'devil in music'.

25/18 = 1.3888....
45/32 = 1.40625
64/45 = 1.4222....
36/25 = 1.44

So we'll just pick one.

(23/n)