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Foucault's pendulum, Pantheon, Paris by faun070, via Flickr

from Maria Haskins

This old book – FOUCAULT’S PENDULUM, by Umberto Eco

The latest Tweets from Jason Wolf (@jwolfnbaa). Director internet communications for the National Business Aviation Association (NBAA) and DC dad. Opinions are my own. Especially the dumb ones. Washington, DC

damitr: Illustration for Foucault’s Pendulum. This is frequently used to show rotation of Earth around its own axis.

Italian semiotician, essayist, philosopher, literary critic, and novelist Umberto Eco. Recommended reading: The Name of the Rose, The Island of the Day Before, and Foucault's Pendulum

from House of Thrillers - Hot!

O pêndulo de Foucault (Foucault’s Pendulum) – Umberto Eco

Foucault's Pendulum

Pendulum Waves - couldn't do glow in the dark but maybe could set up light to cast shadow and gain similar perspective.

The Foucault pendulum (English pronunciation: /fuːˈkoʊ/ foo-koh; French pronunciation: ​[fuˈko]), or Foucault's pendulum, named after the French physicist Léon Foucault, is a simple device conceived as an experiment to demonstrate the rotation of the Earth. While it had long been known that the Earth rotates, the introduction of the Foucault pendulum in 1851 was the first simple proof of the rotation in an easy-to-see experiment.


Sand Pendulum 38cm/51cm Foucaults Pendulum Sand Art Patterns

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Michel Foucault and his beautiful black kitty. I love it when they hold them like babies. Obviously the loves of their lives.