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Reference
20110001_0694
Mathias Fink, Director of the Langevin Institute, 2011 Innovation Medal
Mathias Fink, director of the Langevin Institute, invented the time reversal mirror in the 1980s, a device capable of recording acoustic or sound waves before retransmitting them backwards. His special mirrors have since found many applications : sending undersea messages only audible to a sensor placed at a specific point, development of touch screens based on the sound signature of each point on a tablet, a diagnostic device for liver diseases based on another of his finds, multi-wave imaging, etc. The founder of four companies, Mathias Fink describes himself as a public inventor and "scientist driven first and foremost by the pleasure of discovering new ideas".
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