shotspotter

Gunshot detection tech over-trusted by police

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Episodes

#6487: Turning Acoustic Physics into a Math Problem

A 7,200-microphone wall at DLR solves acoustic inverse problems using less power than a home stereo amplifier.

Nov 7
#4660: When a Journalist Became the Gatekeeper for AI Geolocation

GeoSpy could locate anyone from a photo. A journalist exposed it. The founder pulled it. Who's really in charge?

Aug 8
#3097: Measuring Car Horns: Phone Apps vs. Court Evidence

Can a phone spectrogram app prove which car honked? Usually not — here's what you actually need.

May 27