Science, astronomy, politics, movies, and various minutiae.
Spinning Silhouette Illusion
The Bad Astronomer had a link to this cool illusion. Interestingly, I have a very hard time seeing her spin clockwise, while the description on the site indicates that it is usually the other way around.
Planetary Scientist and Asst. Professor of Physics at University of Central Florida; Movie Buff; Trekkie; Jethro Tull fanatic; part-time actor, piano player, writer; and full-time husband and father.
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