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| 2016-02-15 | Super-thin acoustic metasurface seamlessly absorbs sound Researchers from CNRS and the University of Lorraine developed a design for a coiled-up acoustic metasurface that can achieve total acoustic absorption in very low-frequency ranges. |
| 2012-08-30 | Ultrathin lens eliminates optical aberrations Applied physicists at the Harvard School of Engineering and Applied Sciences created a 60nm flat lens that focuses light without imparting the distortions of conventional lenses. |
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