Hacker News
- The Four Color Theorem And Algorithm http://www.math.gatech.edu/~thomas/FC/fourcolor.html 14 comments
- List of free mathematics textbooks http://www.math.gatech.edu/~cain/textbooks/onlinebooks.html 5 comments math
- A surprisingly simple proof that the interval [0,1] is uncountable https://www.math.gatech.edu/~mbaker/pdf/realgame.pdf 8 comments science
- 65 online Mathematics books http://www.math.gatech.edu/%7Ecain/textbooks/onlinebooks.html 9 comments programming