A globe of the Earth where you can not only spin it through space, but also through time.
(via Information Aesthetics)
I know this has been around for a bit, but this video is an animated Rorschach test and I see something new every time I watch!
This is a long but interesting piece of history and Constitutional scholarship:
Albert Einstein and Oskar Morgenstern urged GÃ¶del not to mention this fact to the examiner. In fact, they decided to accompany GÃ¶del to his examination in Trenton in order to keep him out of trouble. At the government offices, the examiner congratulated GÃ¶del for leaving Germany, which was under an “evil dictatorship” of a kind that could never occur in the United States. “On the contrary,” GÃ¶del shouted, “I know how that can happen!”