On top of the table, a metal sphere attached to the magnet moves through craft sand to draw attractive patterns. An Arduino and Raspberry Pi work together to command the stepper motors to create ...

In that case, it can be mesmerizing like this Arduino-driven kinetic sand table. What you can’t see. Image via [thang010146] on YouTube Like many of these builds, it all started with an ordinary ...

After Coalition forces drove Iraqi occupiers out of Kuwait in February 1991, U.S. Special Forces discovered an intricate sand-table model used by the Republican Guard to plan for the defense of ...