白板报 数学集锦 / 03.14
HACKER NEWS / REDDIT

圆周率集锦

讨论目录

3,151–3,180 / 13,083 条 · 第 106 / 437 页
  9. Hacker News计算与算法

    计算与算法 · 评论中的圆周率

    讨论串 · Quantum theory based on real numbers can be experimentally falsified

    12 条相关评论
  20. Reddit · r/todayilearned数位与应用

    数位与应用 · 评论中的圆周率

    讨论串 · TIL In old Eastern Europe folklore vampires are obsessed with counting. Millet or poppy seeds were placed on the ground at the grave site of a presumed vampire, in order to keep the vampire occupied all night counting.…

    14 条相关评论
  21. Reddit · r/science证明与性质

    证明与性质 · 评论中的圆周率

    讨论串 · A new theory states that space & time started as one dimension each (basically a straight line). As it cooled, the universe warped into the 2nd-4th dimensions, and it might eventually be promoted again, to a five-dimens…

    8 条相关评论
  25. Reddit · r/todayilearned定义与几何

    定义与几何 · 评论中的圆周率

    讨论串 · TIL a high-school girl derived equations showing that in order to fold anything in half, it must be pi times longer than its thickness

    14 条相关评论