While it's also a beautiful object in and of itself, it serves an important role as a "tuned mass damper," which is a pendulum that ... that relies only on simple physics. The earthquake, the ...

[Nicholas Rehm] works during the day at the Applied Physics Laboratory at Johns Hopkins ... is what happens when you try to attach an inverted pendulum to the top of a drone in flight?

They then measured the frequency of the energy pulses affecting the nucleus — the equivalent of a pendulum in a regular ...

If you’ve never seen a double pendulum before, it’s basically just a pendulum with another pendulum attached to the end. You might not think that’s anything special, but these devices can ...