Robots to the Rescue? Depends on the Humans

Imagine being trapped in a collapsed building. Lying there, conscious, you hear the rubble moving around you. When you finally get a look at your approaching rescuer, you’re a little surprised: it’s about two feet tall and made of metal. …

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Encounters of the smart kind: learning about smart fluids, two syringes at a time

Ahmed Helal uncaps a cardboard cylinder that reminds me of a cheap kaleidoscope and pulls out a pair of plastic syringes, connected tip-to-tip by what looks like a small black rubber tube.  Each syringe is about a third full with …

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