HEEBIE JEEBIES 38cm Foucalt Pendulum
- This simple device with a black stand is the perfect size to sit on your desk
- with its rhythmic motion inscribing beautiful patterns in the sand. The simplicity of a pendulum belies its scientific importance
- as it has been used to demonstrate a plethora of principles
- including the rotation of the Earth
- and has been used to detect earthquakes for over a millennium.