Touch Sensitive Paper With Built-In Speakers 83
The Bongo King writes "There have been several stories about digital paper discussed here on the site recently, but an offering from Swedish research scientists has a new twist. They have made a prototype billboard of interactive paper with built-in flat loudspeakers apparently also made of paper. 'Touch sensors are made using a fine pattern of conductive lines in which the current flow is altered when a hand touches it. Laptop computer touchpads use the same principle. Speakers are made by printing electromagnets out of conductive ink and stretching the paper over a cavity like a speaker cone behind the billboard. The electromagnets vibrate in response to a current, creating a sound.'"
Oh god no (Score:5, Insightful)
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oh god...the ads...the ADS!! (Score:2, Insightful)
Enviromental (Score:5, Insightful)
Re:Noise pollution? (Score:2, Insightful)
Time to start building portable EMP generators (Score:3, Insightful)