Learning is generally most effective when there is a healthy mix of theory as well as hands on learning through experiments or demonstrations. In most cases because of limited equipment available or ...

In 1851, the French physicist Léon Foucault provided an experimental proof of the Earth’s rotation using a pendulum. Although Foucault is best known for this ingenious experiment, he also made several ...

SOME four years since, while arranging a Foucault's pendulum for use in the class-room, it occurred to me to endeavour to obtain a permanent record of the experiment, and as the results were very good ...