ViewTube

A ring of polished rods hangs above you in a dark room. Each rod is a pendulum whose length is tuned so that it swings a whole ...

A curtain of hanging wires, seen close enough to feel the metal. Each wire is a chain fixed at the top and free at the bottom, so it ...

Iron filings on a sheet of paper over a set of slowly circling magnetic poles. Every hairline in the frame is an exact field line — a ...