12 points
It’s not in the collection but I recall a phone entry where the slider would move along the digits of pi until you found your phone number.
7 points
That one was my favourite.
Especially when it makes someone stop and think about it.
Hang on… would that work?
An infinite, non repeating sequence of digits?
Yeah, that would contain all possible sequences of arbitrary length.
6 points
Found it https://i.imgur.com/rh0mDnK.gifv there is a discussion about this https://math.stackexchange.com/questions/3495590/proof-of-the-existence-of-all-phone-numbers-in-pi
Apparently all combinations of 10 digits appear in the first 241641121048 digits of pi.
