While not really spatial, I thought Music Plasma was an interesing application for graphically showing relationships for data points. In this case, they’re pulling data from Amazon’s databases to show how certain bands “relate” to other bands, at least as far as Amazon’s customer habits are concerned. It’s interesting to remember that relationships beyond spatial

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This weekend, NASA is offering its first Centennial Challenge, with $100,000 up for grabs. Ten teams will compete at NASA’s Ames Research Center in California in events related to space elevator development, including the Beam Power Challenge and the Tether Challenge. Via MSNBC.com