A Clever Radio Trick Can Tell If a Drone Is Watching You

AS FLYING, CAMERA-WIELDING machines get ever cheaper and more ubiquitous, inventors of anti-drone technologies are marketing every possible idea for protection from hovering eyes in the sky: Drone-spotting radar. Drone-snagging shotgun shells. Anti-drone lasers, falcons, even drone-downing drones. Now one group of Israeli researchers has developed a new technique for that drone-control arsenal—one that can not only detect that a drone is nearby, but determine with surprising precision if it’s spying on you, your home, or your high-security facility.

Researchers at Ben Gurion University in Israel have built a proof-of-concept system for counter-surveillance against spy drones that demonstrates a clever, if not simple, way to determine whether a person or object is under aerial surveillance. They first generate a recognizable pattern on whatever subject—a window, say—someone might want to guard from potential surveillance.

Read more: A Clever Radio Trick Can Tell If a Drone Is Watching You

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Mike Rawson

Mike Rawson has recently re-awoken a long-standing interest in robots and our automated future. He lives in London with a single android - a temperamental vacuum cleaner - but is looking forward to getting more cyborgs soon.

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A Clever Radio Trick Can Tell If a Drone Is Watching You

by Mike Rawson time to read: 1 min
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