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

Comtoise watches, as seen here in the Comtoise Museum of master watchmaker Bernd Deckert, are a French pendulum clock from the French region of Franch-Comte. While they are beautiful antiques, they ...

The gently moving jewel swaying inside the new Ernest E. Tschannen Science Complex is a Foucault pendulum – shiny and slow-swinging, it is a piece of old-world technology the likes of which have kept ...

Frequent Griffith Observatory visitor Pamela Garner thought she had the place pegged. Her first stop was always the Los Angeles landmark’s soaring central rotunda. There, she paused to watch the giant ...

For millennia, humanity's one-and-only reliable way to keep time was based on the Sun. Over the course of a year, the Sun, at any location on Earth, would follow a predictable pattern and path through ...