Walk-Through Metal Detectors Were Invented to Catch Thieving Employees

Walk-Through Metal Detectors Were Invented to Catch Thieving Employees

Today we walk through metal detectors to get into courthouses, airports, and even concert venues. But back in the 1920s the first walk-through metal detectors weren’t invented for finding weapons (or nail clippers), they were invented for searching would-be thieves.

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Smartphone-powered mine detectors readied for field-testing in Cambodia (video)

Smarphonebased metal detectors

Red Lotus Technologies is now refining and pitching its PETALS technology for real-world use around the world. Short for Pattern Enhancement Tool for Assisting Landmine Sensing, the system connects acoustic sensors to smartphones, outputting a silhouette of what lies below onto the phone’s screen. The company has expanded from an initial research project that paired mine-detecting sensors with the processing clout (and availability of) smartphones. It’s now developed some tablet-based training equipment for de-miners and, working alongside the Landmine Relief Fund, aims to field-test the devices in Cambodia before launching them next year.

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Smartphone-powered mine detectors readied for field-testing in Cambodia (video) originally appeared on Engadget on Sat, 08 Sep 2012 03:47:00 EDT. Please see our terms for use of feeds.

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