Pagine


mercoledì 3 novembre 2010

Foucault pendulum: a straight cable to measure a rotation



The Foucault pendulum (1870) made it possible to demonstrate for the first time directly the phenomenon of Earth's rotation. It is a sphere of lead covered with iron and it suspended from the ceiling by a long steel cable that is put into oscillation to demonstrate the phenomenon of Earth's rotation.

Nessun commento:

Posta un commento