Foucault’s pendulum in the Pantheon. The original only remained from 1851-1855, but in 1995 a replica was installed in the original location which still swings today.
Pendulums, spheres, and the spinning Earth
Pendulums, spheres, and the spinning Earth
Foucault’s pendulum in the Pantheon. The original only remained from 1851-1855, but in 1995 a replica was installed in the original location which still swings today.
Skulls in the Stars 
