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Robots using radar could identify explosive devices more accurately than conventional minesweepers

Metal detectors can’t distinguish a landmine (top left) from junk, but the new radar-based Rascan device creates images (bottom row) that could at least double detection rates

Never let it be said that rubbish collectors aren’t some of the bravest people on Earth. I don’t mean the nice people who empty your bin, but the experts who scour the forgotten fields of past conflicts, first with sniffer dogs, then metal detectors, and finally with long-bladed knives, stretched out on their stomachs while nervously probing the ground ahead.

Their usual name is minesweepers, but their profession would be more accurately…

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