Scientists turn dents into smart bumps

Due to a phenomenon called the shape memory effect (SME), certain "memory metals" can be distorted and then brought back to their original shape by a simple temperature change. While a one-way memory effect has inspired applications since the '60s, and a two-way memory effect can also make objects remember two different shapes, scientists have recently discovered that the effect can now be realized at micro or nano scale on surface – dents can be turned into "mirrored" bumps.

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<p><a href="http://www.physorg.com/news75546494.html">Scientists turn dents into smart bumps</a></p> <p>Due to a phenomenon called the shape memory effect (SME), certain "memory metals" can be distorted and then brought back to their original shape by a simple temperature change. While a one-way memory effect has inspired applications since the '60s, and a two-way memory effect can also make objects remember two different shapes, scientists have recently discovered that the effect can now be realized at micro or nano scale on surface – dents can be turned into "mirrored" bumps.</p>