Imagine
a swarm of tiny devices only a few hundred nanometers in size that can
detect trace amounts of toxins in a water supply or the very earliest
signs of cancer in the blood. Now imagine that these tiny sensors can
reset themselves, allowing for repeated use over time inside a body of
water-or a human body. In a recent Yale Univ. breakthrough, this has
become a reality.
The R&D Daily June 24 2013.
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