That big grandfather clock in the library might be an impressive piece of mechanical ingenuity, and an even better example of fine cabinetry, but we’d expect that the accuracy of a pendulum timepiece ...

At the Houston Museum of Natural Science they recently made a disturbing discovery: their Foucault pendulum had stopped ...

The answer is yes. Yes, you can get a value of pi using a pendulum. Well, you need a few other things. Of course, this is the experimental part of my previous post on the connection between pi and the ...

Check out Dr. Bob Grober on YouTube. I heard the term “harmonic oscillator” a few years ago and was lost until I found out it was simply a pendulum. Understanding how a pendulum works and how we can ...

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 ...

Houston Museum of Natural Science's Herzstein Foucault Pendulum has stopped after decades, and museum visitors are wondering why. The pendulum at the museum is attached to a 61-foot-long cable. It ...

Once upon a time, you were probably on an elementary school field trip at a science museum or an observatory. Just before lunch, your teacher had the class stand in a circle around an enormous weight ...

We may earn commission from links on this page, but we only recommend products we love. Promise. Remember Magic 8-Balls? If you ever had one, you probably asked it fun questions, like if your latest ...

Nicholas Blackwell and his father went to a hardware store about three years ago seeking parts for a mystery device from the past. They carefully selected wood and other materials to assemble a ...

Forbes contributors publish independent expert analyses and insights. I cover travel trends and wellness and family travel. As a global traveler who loves and covers all things luxury, I’m always ...

Terrifying video has been released showing the moment two gondola cars detached from a high-flying amusement park ride and crashed, leaving ten people injured, including six critically. It happened ...

Rothman is managing editor at TIME. She was also the founding editor of TIME’s history section. We sometimes hear that time moves forward in one direction, like an arrow. History must too. Or perhaps ...