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U.S. Special Operations are a remarkable, formidable fighting force who are admired and feared throughout the world. Now, the military’s elite warriors are set to become even more deadly with a new addition to their arsenal. About $48 million-worth of new, cutting-edge suppressors will be in the hands of America’s top military personnel, enhancing their
Researchers have been pushing the capabilities of materials by carefully designing precise structures that exhibit abnormal properties that can control acoustic or optical waves. However, these metamaterials are constructed in fixed geometries, meaning their unique abilities are always fixed. Now, new 3-D printed metamaterial developed by a team led by USC Viterbi researchers can be
Metamaterials researchers at Duke University have demonstrated the design and construction of a thin material that can control the redirection and reflection of sound waves with almost perfect efficiency. While many theoretical approaches to engineer such a device have been proposed, they have struggled to simultaneously control both the transmission and reflection of sound in