"I needed a biography of somebody, so I went to the library. Unfortunately, the biography was not where it was supposed to be, but next to the spot was a biogra

"I needed a biography of somebody, so I went to the library. Unfortunately, the biography was not where it was supposed to be, but next to the spot was a biography of Lev Davidovich Landau." This is why we have and should continue to keep (physical) libraries and why I love visiting them (along with second-hand bookshops and large scales used book sales). I discovered and bought probably 80+% of my books in this serendipitous way, king to the usual example of chaos in kneading of dough (https://books.google.com/books?id=GvnxBwAAQBAJ&pg=PA148&lpg=PA148&dq=chaos+dough+kneading&source=bl&ots=sCmINvo4rN&sig=0JKs_1cJVt2fxbbfsMMsGlgq6Ic&hl=en&sa=X&ved=2ahUKEwicsprCk4TfAhVKF6wKHVQwDsIQ6AEwB3oECAcQAQ#v=onepage&q=chaos%20dough%20kneading&f=false https://books.google.com/books?id=GvnxBwAAQBAJ&pg=PA148&lpg=...)