In the ETH experiment, self-oscillations (blue-red) cause sound waves (green, orange, violet) to travel through the circulator only in one direction. Credit: Xin Zou Researchers at ETH Zurich have ...
In context: Sound waves typically propagate in forward and backward directions. This natural movement is problematic in some situations where unwanted reflections cause interference or reduced ...
Researchers develop an innovative sound wave sensor to quickly and accurately detect elusive helium gas leaks, enhancing ...
Create a focused speaker so your music targets only the listener. That demodulates at 40 kilohertz, with an H-bridge and ...
James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...
Gayle Anderson learns about Sonic Fire Tech, a startup company founded by former NASA engineers, that uses a patented technology to extinguish wildfires using sound waves. Company officials claim ...
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