Karl Fogel at
I am clipping my nails while sitting down.
I am wearing corduroy pants.
Suddenly I realize: I am become a real-life demonstration of Buffon's Needle Problem.
This produces a pleasant buzz. YMMV.
Oh my -- so, posting that made me <<<expected Wikipedia detour here>>> and then I ended up on:
https://en.wikipedia.org/wiki/Bertrand_paradox_(probability)
Which is a truly beautiful article. Read it and the other Bertrand paradoxes linked to from the associated disambiguation page -- your day will be better.