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

NIA intensifies investigation into Pahalgam terror attack, examining eyewitnesses and scrutinizing entry/exit points for ...

In Surat, an overnight combing operation carried out jointly by SOG, DCB, AHTU, PCB, and local police resulted in the ...

Sometimes, a flat display just won’t cut it. If you’re looking for something a little rounder, perhaps your vision could persist in in looking at [lhm0]’s rotating LED sphere ...

During a sustained "torture loop" on a PNY RTX 5070 OC and Palit RTX 5080 Gaming Pro OC, Wallossek recorded temperature ...

How in-design analysis helps engineers catch and fix SI/PI challenges early, saving time, reducing risks, and ensuring ...

PCR genetic analysis has been in the spotlight since COVID-19, but light is now further facilitating PCR-free methods.

Tuberculosis (TB) is an infectious disease that kills more than a million people worldwide every year. The pathogen that causes the disease, Mycobacterium tuberculosis, is deadly in part because of ...

PCR genetic analysis has been in the spotlight since COVID-19, but light is now further facilitating PCR-free methods. Osaka ...