As many believe, the Big Bang started our universe. But not everyone is aware that the early world is nothing like what we can see these days. There's no stars, planets, galaxies or nebulas. For a bit ...
Scientists at ETH Zurich and the Swiss Federal Institute of Technology Lausanne have developed a device that directs sound waves in one direction without wasting energy. This breakthrough sound wave ...
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Mishkat Bhattacharya receives funding from the Office of Naval Research, United States Nick Vamivakas receives funding from the Office of Naval Research, United States. Most people are familiar with ...
Acoustic frequency filters, which convert electrical signals into miniaturized sound waves, separate the different frequency bands for mobile communications, Wi-Fi, and GPS in smartphones. Physicists ...
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