Home → News → Light-Emitting Rubber Could Sense Structural Damage → Full Text
By Technology Review
February 17, 2011
![[article image]](https://cacm.acm.org/system/assets/0000/4738/21711.techreview.stretch.sensor.large.jpg?1476779403&1297960090 "Rubbery sensor")
Researchers at Princeton University have built a new type of sensor that could help engineers quickly assess the health of a building or bridge. The sensor is an organic laser, deposited on a sheet of rubber: when it's stretched—by the formation of a crack, for instance—the color of light it emits changes.
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