http://iotd.patrickandrews.com/2010/02/07/1178-skytime/ Invention Of The Day Tue, 17 Jan 2012 14:11:42 +0000 hourly 1 http://iotd.patrickandrews.com/2010/02/07/1178-skytime/comment-page-1/#comment-859309 Patrick Wed, 10 Feb 2010 10:20:05 +0000 http://iotd.patrickandrews.com/?p=6599#comment-859309 Actually this might be better performed by a small robotic device which would cling to and move slowly across walls. An illuminated circular disc would be mounted on a hinge, standing off the robot itself to allow disc rotation so that it always presented a circle to the viewer. Actually this might be better performed by a small robotic device which would cling to and move slowly across walls. An illuminated circular disc would be mounted on a hinge, standing off the robot itself to allow disc rotation so that it always presented a circle to the viewer.

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