Many of us have marveled at art installations ... to move a magnet underneath a table. On top of the table, a metal sphere attached to the magnet moves through craft sand to draw attractive ...

A living room featuring this kinetic art table has no ... Guided by a magnet beneath the surface, the ball creates intricate grooves in the top layer of sand until the table is unplugged.

[Nick] is working on a prototype of a coffee table sand plotter that draws patterns in sand a lot like a zen rock garden. [Nick]’s zen rock garden uses a magnet to draw a ball bearing across ...