› added 1 year ago

43

TIL about the Region-Beta Paradox, the phenomenon that people can sometimes recover more quickly from more distressing experiences than from less distressing ones.

Read more wikipedia.org

via reddit.com

4XkDX TIL that after a sufficiently long haul of insert/delete operations on a Binary Search Tree, the height of the tree degrades to O(sqrt(n)) and does not remain O(logn) mainly because of the fact that Hibbard Deletions lead to an asymmetric tree structure.
VBgk TIL that on this day in 2000, the US national debt was dropping.
kJddd TIL: "Twinkle Twinkle Little Star" has 5 verses
Y7mVx TIL about Quasi-stars, aka black hole stars, where the star is supported not by fusion, but the energy of a black hole consuming matter. They hypothetically existed in the early universe.
Z80bR TIL that the Chowchilla kidnappers -who locked 26 children and their bus driver in a buried moving van- never got to make their ransom demands, since the phone lines to the police were occupied by worried parents and the media calling in. The victims then dug themselves out and escaped.