Smart Memory Foam Made Smarter: Metallic Foam Less Expensive To Make, Leading To More Applications

Researchers have figured out how to produce a less expensive shape-shifting "memory" foam, which could lead to more widespread applications of the material, such as in surgical positioning tools and valve mechanisms. They have created easily processable polycrystalline foams of a nickel-manganese-gallium alloy that changes shape when exposed to a magnetic field. These shape-changing properties resemble those of the much more expensive single crystals.

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