Posted: 22 Jan 2015 02:00 PM PST
Sound waves passing through the air, objects that break a body of water and cause ripples, or shockwaves from earthquakes all are considered 'elastic' waves. These waves travel at the surface or through a material without causing any permanent changes to the substance's makeup. Now, engineering researchers have developed a material that has the ability to control these waves, creating possible medical, military and commercial applications with the potential to greatly benefit society.
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