A standard electret microphone can detect sub-audio "sounds" when some simple equalization circuitry is added.

Looking for a Vermont destination with a walkable downtown, great restaurants, intriguing shops, and lots of outdoor ...

Memorial Day weekend in Los Angeles traditionally means beach traffic, barbecues in every park, and the annual debate about whether it’s finally warm enough to go swimming in the ocean (narrator: it ...

By infusing red oak with ferrihydrite using a simple, low-cost process, researchers strengthened the wood at the cellular ...

With more than 181.5 billion tons of wood produced globally each year, a new method could revolutionize how we build ...

Elevate Rapid City Pro-Business scorecard tracked the votes on 13 "key" bills. One state senator scored 100%, while three ...

Research on the Application of ChatGPT Technology in Landscape Ecology Teaching. Open Journal of Social Sciences, 13, 486-497. doi: 10.4236/jss.2025.134029 . As a flagship representative of generative ...

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Nima Monshizadeh Naini, associate professor at the Engineering and Technology Institute Groningen, is advancing the field of control theory with ...