Learn how to make a cardboard Gatling gun that shoots fully automatic in this exciting DIY project! This step-by-step ...

In this exciting DIY tutorial, learn how to make a marble machine from cardboard with step-by-step guidance. Discover the secrets to designing a functional and creative marble run, using simple ...

Cartoonist Rube Goldberg drew wackily complex machines, and every year a foundation under his name challenges kids to create actual contraptions. This year, it's all about washing one's hands. This ...

I tested 20+ self-emptying robot vacuums from Roborock, Shark, and more at home to find the best robot vacuum that empties itself.