Explore three innovative DIY projects in this video, each utilizing ball bearings to create unique spinning gadgets. Learn ...

Discover how to build a hand-powered water pump that also generates electricity to light up LEDs using everyday recycled ...

Most solar lights are cheap garbage that exist just to put more microplastics into the environment as they degrade in short order. [Jeremy Cook] built his own solar light, however, and this one ...

When it comes to electromagnetic waves, humans can really only directly perceive a very small part of the overall spectrum, which we call “visible light.” [rootkid] recently built an ...

Magnets keep strings suspended without anchor points, and pushing a magnet piece bends notes, so you get expressive sounds ...