As a rule, Donald Saff doesn’t collect clocks he can’t see inside of. It’s the harmonic entanglement of gears—and the skill needed to craft them—that first lured him to horology, the study of ...

There's a fine line between magic and science, and Redditor tbornottb3 has created a beautiful example of this idea with the "Harry Potter-inspired Family Clock." It's a digital version of the Weasley ...

Christiaan Huygens was a busy scholar. Among his many achievements, the Dutch scientist figured out the shape of Saturn's rings and discovered that planet's largest moon, Titan. He founded the theory ...