Blinking lights on the back of a phone to write in the air
Ever found yourself far from someone and wanted to send them a message without using SMS on your mobile phone? Nokia have come up with the Nokia 3220. Twelve lights on the back of this phone blink at a rate so that when you move the phone people the other side of the phone can see an image appear in the air. This is done through tricking our eyes into seeing an image through 12 flashing lights.
This technology may be enjoyed mainly in concerts, night clubs and other low light locations.
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