I wondered what the Google doodle was this morning.
I remembered seeing that in the "Lost" series but I couldn't remember what it was called to look it up:

When I moused over it, it said Happy Birthday Leo Foucault:
Click Here To See Full Article
New Delhi: To mark the 194th birth anniversary of French physicist Léon Foucault, on September 18, Google is posting an interactive digital version of the Foucault pendulum on its home page.
The Foucault pendulum was a device created by Léon Foucault that provided experimental evidence that the Earth rotates on its axis.
A son of a publisher, Jean-Bernard-Léon Foucault was born on September 18, 1819 in Paris.