Learn how to make a simple DIY pendulum using a ping pong ball and basic household materials. This step-by-step guide shows ...

The great philosopher Socrates once said that the unexamined life is not worth living. You can summon your own inner strength and wisdom to solve many daily or longstanding problems by using a simple ...

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 ...