A classic example of M. C. Escher’s work is the Perpetual Waterfall/Waterwheel. Here we see a physical realization of Escher’s conceptualization. A classic example of M. C. Escher’s work is the ...

A wheel weighted with swinging mallets. A cylinder rotating in a sealed, water-filled container. A siphon that transfers liquid back and forth in a seemingly endless loop. These may sound like the ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

Perpetual motion—it's fun to say that. For some people, perpetual motion machines hold the secret to everlasting free energy that will save the world. To them, it's a machine that is just beyond our ...

Perhaps the most persistent nonsense in physics: the perpetual motion machine. Bad ideas come and go in physics. But there’s one bit of nonsense that is perhaps more persistent than all others: the ...

Discover the fascinating world of perpetual motion with our in-depth tutorial on creating a perpetual motion machine. This video breaks down the principles behind these intriguing devices, exploring ...

PROBABLY your sense of justice will induce you to insert some very brief remarks on your review of my article in the Quarterly journal of Science. The tone of the review is a penalty which all who ...