Air Force Wants Tiny Drones That Squirt Trackable Sensor Goo

Fox News | May 16, 2011

Having a target painted on one’s back just took on a whole new  meaning.

The Air Force wants a new kind of tracking tech in which a tiny drone surreptitiously “paints” an individual with some kind of signal-emitting powder or liquid that allows the military to keep tabs on him or her. Or perhaps upload his coordinates to a hellfire missile.

"Smart dust" particles self-assembled on drops of oil (University of California)

On Tuesday, the Air Force put out a call for proposals for such technology, though it didn’t specify exactly what kind of drone might deliver the magic powder, or what the magic powder might be. But as Danger Room notes, there are a range of experimental technologies that could potentially serve both purposes.

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