LONDON, Dec. 13 (UPI) -- London's Metropolitan Police say the recorded "hum" of background noise produced by the electricity grid has helped them solve crimes. A database of the noise, which varies in ...
A team of forensic researchers from the Metropolitan Police in London, UK, claim to be able to accurately timestamp any audio recording—using just the background electrical hum present in any digital ...
is a former senior reviewer who worked at The Verge from 2011 until May 2025. His coverage areas included audio, home theater, smartphones, and more. An average person on the street may find it hard ...
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