Wednesday, 23 February 2022

Detecting stressed-out polymer films, gels before they break

Stretchy films and squishy gels help make wearable electronics, soft robotics and biocompatible tissues a reality. But too much force can cause these polymers to break apart without warning. To detect stress before it's too late, researchers show they have designed a compound with 'wings' that makes these materials change color when they are stretched or crushed.

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