Explore how to build a DIY electric motor using simple, readily available materials in this detailed tutorial. Watch ...

This is a small motor made from simple household supplies. A battery pushes current through a coil of copper wire under the influence of a permanent magnet. The coil spins freely when operating.

Why it matters: Havok, the Irish-based software maker whose physics engine can be found in countless blockbuster games, has published its first new technology demo on YouTube in a decade. The dynamic ...

SMART Demo shows the effective implementation of new solid rocket motor technologies to improve motor performance. Northrop Grumman is also developing five new motors concurrently for the first time.