The MESMOID is a right circular cylinder with an eccentric circle cut out of it. Because of its design, it can act like a rolling pendulum. Unlike a coin or wheel, when rolled it moves back and forth instead of in one direction only.
It is a…
Solomon's Trinity is a game and puzzle played on a modified Star of David gameboard, including activities to be played with 15 game pieces. Recipients can add a nickel, dime, quarter, and 15 or more pennies as game pieces. Formal game pieces can be…
An imaginary cube is an object that has square projections in three orthogonal ways just as a cube. These 3D-printed objects -- the Sherpinski tetrahedron, T-Fractal and H-Fractal -- are examples of fractal imaginary cubes. Specifically, the…
Water drops fall into a lake and create ripples. For a fleeting moment these rings show an Apollonian gasket. The physical gift will be a postcard with the picture.