Metamaterials are engineered structures that gain their properties from geometry rather than chemistry. The Rice team designed a material that remains stable while also deforming on command, a combination not previously seen in soft structures
The new metamaterial designed by the research team. PIC COURTESY/Rice University
Researchers at Rice University in Houston, Texas, have developed a soft metamaterial that can quickly change size and shape under remote control. The team says the invention could open the door to safer, more versatile ingestible and implantable medical devices.
Metamaterials are engineered structures that gain their properties from geometry rather than chemistry. The Rice team designed a material that remains stable while also deforming on command, a combination not previously seen in soft structures.
The material withstands compressive loads more than 10 times its weight. It also maintains performance under extreme temperatures and corrosive environments. Such resilience is essential for medical devices that must endure the acidic conditions of the human stomach.
The design enables the metamaterial to switch between open and closed states when triggered by a magnetic field. This transformation holds, giving the structure a form of memory.
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