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Cake day: 2025年2月6日

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  • That’s not how cardinality works when dealing with infinite. For ex, there are the same number of prime number than number of integer. Yes, there are many non prime inter between 2 prime integer, but as long as you can “count” them, they have the same cardinality, which is called “aleph 0”.

    But you cannot “count” real number. There are actually more real between 0 and 1 than there are interger. This value is called “aleph 1”.

    Yes, there is also aleph 2, aleph 3,… There is not a single “infinite”, but there are several one that don’t have the same size.

    Have a look to Hilbert’s hotel paradox https://en.wikipedia.org/wiki/Hilbert’s_paradox_of_the_Grand_Hotel











  • I know a guy that nearly lost its thumb because of a baguette. A piece of the crust stuck under its nail. He didn’t paid attention at first, but it begins to become infected and necrotic. Ended up in the hospital for surgery and antibiotics.

    Never underestimate the baguette.