I'm so excited! My book "Opt Art: From Mathematical Optimization to Visual Design" is out today! If you want to order a copy or check out some endorsements, you can do so at . or.

A knight's tour of a 32x32 chessboard. The knight's path is unicursal. If you start in the lower left corner and follow the path move by move, you will visit each square once and only once and end near the lower right corner. #mathart #mathsart #orms #chess

A knight's tour of a 32x32 chessboard. The knight's path can be traced without lifting one's writing implement from the surface of the paper. Inspiration: Szpakowski's linear ideas. #mathart #mathsart #orms #chess

A knight's tour of a 32x32 chessboard. The knight's path can be traced without lifting one's writing implement from the surface of the paper. This tour is close to having 180-degree rotational symmetry and vertical and horizontal mirror symmetries. #mathart #mathsart #chess

A knight's tour of a 32x32 chessboard. The knight's path can be traced without lifting one's writing implement from the surface of the paper. This tour is close to having 180-degree rotational symmetry and vertical and horizontal mirror symmetries. #mathart #chess

RT @timchartier: Here's a preview of my @DavidsonCollege honors student's (inspired by @baabbaash work) lenticular dice mosaic of Kather….

MLK in 12 complete sets of double-nine dominoes. Assembled by children at Oberlin's Eastwood Elementary School in 2002.

An open knight’s tour of a 33x33 board, and an open knight’s tour of a 99x99 board. Each one uses the same 11x11 tour as a motif, and each one follows a Peano-curve-like path through its array of 11x11 cells. Some #optart for #genuary19 (#opart).

An open knight’s tour of a 33x33 board, and an open knight’s tour of a 99x99 board. Each one uses the same 11x11 tour as a motif, and each one follows a Peano-curve-like path through its array of 11x11 cells.

An open knight’s tour of a 33x33 board, and an open knight’s tour of a 99x99 board. Both use the same 11x11 tour as a motif, and both follow a Peano-curve-like path through their array of 11x11 cells.

An open knight’s tour of a 33x33 board, and an open knight’s tour of a 99x99 board. Both use the same 11x11 tour as a motif, and both follow a Peano-curve-like path through the array of 11x11 cells.

I'm keeping this account for now, but will I be posting more at . @ b a a b b a a s h . b s k y . s o c i a l.

RT @MarkHamill: TOMORROW:

RT @xkcd:

Vote Yes on Issue #1! Ban Gerrymandering in Ohio!

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A single-line drawing arising from an open knight's tour of an 81x81 chessboard. If you think of the 9x9 array of 9x9 subtours as a 3x3 array of motifs, you'll find that you can interpret the drawing as a 3x3 magic square. #mathart

If you trace the tour from its starting point in the bottom left to its ending point near the top right, you'll notice that the knight visits the motif squares in Peano-curve-like fashion. #mathart.

A single-line drawing arising from an open knight's tour of an 81x81 chessboard. From a distance, the drawing looks like a 9x9 latin square of 9 different motifs. Each motif is an open knight's tour of a 9x9 chessboard. #mathart

Today's knight's tour. #mathart

Today's knight's tour. #mathart