Researchers have invented a new sort of material with a built-in superpower: it can bend, shape and focus sound waves that pass through it, opening up new possibilities for medical imaging, personal audio and other acoustic devices. The precisely engineered surface is a metamaterial, a new class of materials that can sometimes seem to do the impossible, like power a real invisibility cloak straight out of science fiction.
.. Continue Reading New supermaterial bends and focuses soundCategory: Materials
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