Hacker News
- A visual proof that the sum of cubes is the square of the sum of first powers http://hyrodium.tumblr.com/post/94237657514/inspired-by-this-twocubes-post-and-asked-to-make 38 comments math
- A math professor saw my Sum of Consecutive Cubes visualization here a few weeks back and made much prettier version with colors and shapes. Enjoy! http://mathhombre.tumblr.com/post/88530299439/sum-of-cubes-saw-the-top-image-on-reddit 20 comments math