While this is authentic footage of a genuine product, the "perpetual" marble machine does not operate infinitely without an additional energy source. Rather, it uses batteries and a magnet to create ...

Posts from this author will be added to your daily email digest and your homepage feed. is transportation editor with 10+ years of experience who covers EVs, public transportation, and aviation. His ...

Tired of doomscrolling your way through social media but still in need of a distraction? YouTube’s Karakuri channel designed and built a custom iPhone case featuring a complex mechanical marble ...