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

During Foucalt’s life it was already proven that the Earth rotated, thanks to experiments which showed that weights dropped from tall towers fell slightly to one side rather than straight down. This ...

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 ...

One of the features of the new Parliament building in New Delhi, inaugurated on May 28, is a Foucault pendulum suspended from its ‘Constitutional Gallery’ area. It has been designed and installed by ...

This "magnetic pendulum" uses a motor to set it into motion at a specific speed and angle. Magnets within the pendulum's end and the floor repel one another as the pendulum swings, creating a complex ...