Turn your television into a disco light show? Where can I get one?!
The Groovetube is simply a translucent plastic box that suction cups to the screen of your television. It has a grid of dividers inside it that diffuse the colors from your T.V. producing an amazing colorful abstraction of anything you watch.
Link: groovetube
Groovetube requires no batteries, external power source or fancy gadgetry to work. It channels the light from todays info-mercials, reality TV shows and advertising and difuses it to an active matrix of moving colored squares of light. As the imagery on the television screen moves and changes, so does the grid of colored squares on the Groovetube. You just stick the thing on and the TV does the rest.
Via: theapt
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