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Persistence of Vision Shoes…
Earlier we covered the "Spin Time" gadget that uses little LEDs to create messages in the air when you spin it, using the same principle responsible found in those "floating clocks" and used to create the illusion of motion in movies. And now there's even that Nokia phone that does the same thing, so with all the recent interest we thought it worth mentioning that a few years ago we made a pair of basketball shoes that could spell offensive things to the other team (and fans) when you ran down the court. And then ya get worked.
