Many objects around you contain electromagnets. They are found in electric motors and loudspeakers. Electric bells like the ones used in most schools also contain an electromagnet. The slideshow ...

[Nick]’s zen rock garden uses a magnet to draw a ball bearing across the sand in interesting patterns. The build uses 3D printed gears and laser cut parts to rotate the table around and move the ...

Instead, it uses magnets to fly. A magnetic field produced by an external device offers invisible axes on which the lightweight bot can travel, eliminating the need for batteries or tethers.

The handle opens like a butterfly knife (or a balisong). But instead of swinging freely, the scales snap back together once the blade is extended, creating a seal with rare earth magnets. It’s an ...

In a major breakthrough, scientists have successfully combined two unusual materials—once thought impossible to merge—into a brand-new artificial structure that could open doors to future quantum ...