Surreal Nimbers: No, that's not a typo!
www.goodmath.org/blog/2007/04/30/surreal-nimbers-no-thats-not-a-typo(A substantial part of this post was rewritten since it was first posted. I managed to mangle things while editing, and the result was not particularly comprehensible: for example, in the original …
Good Math/Bad Math
www.goodmath.org/blogThe beauty of math; the humor of stupidity.
Arabic numerals have nothing to do with angle counting!
www.goodmath.org/blog/2015/07/21/arabic-numerals-have-nothing-to-do-with-angle-countingThere’s an image going around that purports to explain the origin of the arabic numerals. It’s cute. It claims to show why the numerals that we use look the way that they do. Here it is…