MIT chemists have designed a polymer that can reversibly switch from a large structure (orange spheres) to the smaller blue shapes, in response to light.
Image: Demin Liu/Molgraphics
New material reversibly changes its structure in response to different wavelengths of light. MIT researchers have designed a polymer material that can change its structure in response to light, converting from a rigid substance to a softer one that can heal itself when damaged.
“You can switch the material states back and forth, and in each of those states, the material acts as though it were a completely different material, even though it’s made of all the same components,” says Jeremiah Johnson, an associate professor of chemistry at MIT, a member of MIT’s Koch Institute for Integrative Cancer Research and th...
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