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  • See the force: Mechanical stress leads to self-sensing in solid polymers

    Progressive images of a mechanophore linked elastomer during tensile loading. After the polymer reaches a critical strain, a force-induced red color results from selective covalent bond cleavage in the mechanophore just prior to failure.

    Progressive images of a mechanophore linked elastomer during tensile loading. After the polymer reaches a critical strain, a force-induced red color results from selective covalent bond cleavage in the mechanophore just prior to failure.

    Photo by Beckman Institute ITG, Darren Stevenson and Alex Jerez

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  • Editor's note: To reach Nancy Sottos, call 217-333-1041; e-mail: n-sottos@illinois.edu