National Science Foundation - Where Discoveries Begin

July 26, 2011

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While many hotel rooms, recording studios and even some homes are built with materials to help absorb or reflect sound, mechanisms to truly control the direction of sound waves are still in their infancy. However, researchers at the California Institute of Technology have now created the first tunable acoustic diode--a device that allows acoustic information to travel only in one direction, at controllable frequencies. Full Story

Source
California Institute of Technology

The National Science Foundation (NSF) is an independent federal agency that supports fundamental research and education across all fields of science and engineering. In fiscal year (FY) 2018, its budget is $7.8 billion. NSF funds reach all 50 states through grants to nearly 2,000 colleges, universities and other institutions. Each year, NSF receives more than 50,000 competitive proposals for funding and makes about 12,000 new funding awards.

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