Profesor Pippard with Foucault Pendulum mechanism, 1988.
4 0 c m
 
34cm
actual image size: 26cm x 32cm

Profesor Pippard with Foucault Pendulum mechanism, 1988.

ScM Photo Studio

© Science Museum / Science & Society Picture Library

Description

Made in the workshops of the Cavendish Laboratory in Cambridge, Kent, this version of Foucault's Pendulum has been demonstrating the Earth's rotation at the Science Museum in London since 1988. Unlike its predecesor, this pendulum runs continually, so avoiding the need to re-swing the pendulum each hour. In this 1988 view, its designer Profesor Brian Pippard is shown maintaining the moveable scale, which indicates time against the angle rotated. Gently raising and lowering the pendulum pivot, using a motor in conjunction with a sensor, keeps the pendulum in motion. Known as 'parametric amplification', it uses the same principle which keeps a child's swing in motion.
 

Artist

 

Image Ref.

10196799
 

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