PROF. GREENHILL gives currency to quite an erroneous idea, in last week's NATURE (p. 50). He says “in the Foucault experiment of the pendulum which shows the rotation of the earth, the slightest ...

The Foucault Pendulum, installed for the first time in 1851, is more than just a simple swinging object. It is a profound demonstration of Earth's rotation & its movement through space.Originally ...

Viviani's pendulum Published 5 January 2005 From Eddie van Dijk Govert Schilling says of the way in which a pendulum’s plane of swing appears to rotate with respect to a laboratory on Earth ...