Prime Tornado

Aug 2025 ⋅ ⋅

The knight's movement matches its profile.

Nov 2021 ⋅

⋅

The 8 of diamonds has a giant 8 hidden inside it.

Nov 2021 ⋅

⋅

The Fractangle formula (√x : 1 side ratio) creates this pattern for any value (here x = 3).

Sep 2025 ⋅

⋅ ⋅ #1 #3

The Fractangle

Sep 2022 ⋅

⋅

An alternate way to produce the Fibonacci sequence.

Sep 2021 ⋅

⋅

Animal cruelty

Feb 2014 ⋅

⋅

Nuclear Chess (crosspost from r/funny)

Nov 2012 ⋅

⋅ ⋅ #crosspost-from-r-funny #crosspost-from-r #funny

This is how chess should be played (repost from r/funny)

Sep 2012 ⋅

⋅ ⋅ #repost-from-r-funny #repost-from-r #funny

Benoit B. Mandelbrot [1920x1200]

Jun 2012 ⋅

⋅ ⋅ #1920x1200 #1920 #1200

White to play and draw (bishop vs. rook and pawn)

Feb 2014 ⋅

⋅

Cap Lincoln

Jun 2012 ⋅

⋅

Puzzle Island(s): Black lines are levees...Imagine what happens when you surround with eight more puzzle pieces [512x470]

Jun 2012 ⋅

⋅ ⋅ #s #512x470 #470 #512

Easily turn any positive integer into a 'fractangle' [512x384]

Jun 2012 ⋅

⋅ ⋅ #512x384 #384 #512

This calendar depicts the day of the month using only two dice. Is it possible to write a program that figures out how to write each month's abbreviation using three dice in capital letters? Assume C rotated = U, M = E, and, if needed, L = J.

May 2012 ⋅

⋅