Tom Scott

The hidden background noise that can catch criminals

Electrical Network Frequency analysis, ENF analysis, matches background hum against power grid logs. I talked to one of the researchers who works on it, and also set them a challenge. Thanks to @Answer in Progress, @Hannah Witton and @Steve Mould!

I’m at https://tomscott.com
on Twitter at https://twitter.com/tomscott
on Facebook at https://facebook.com/tomscott
and on Instagram as tomscottgo

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