Wednesday, June 6, 2007

Talking paper made by scientists

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Digital paper that can speak to you has been created by scientists. Researchers from Mid Sweden University have constructed an interactive paper billboard that emits recorded sound in response to a user's touch.

The prototype display uses conductive inks, which are sensitive to pressure, and printed speakers.

"When you approach the billboard and put your hand on a postcard that shows a picture of a beach, you can hear a very brief description of that beach," Mikael Gulliksson said.

The key to the billboard's capabilities is a layer of digital paper that is embedded with electronics.

This is printed with conductive inks, which, when applied with pressure, relay information to a micro-computer that contains recorded audio files. Sound then streams out from printed speakers, which are formed from more layers of conductive inks that sit over an empty cavity to form a diaphragm.

Source : bbc




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