Cyborg Stingray Swims Toward Light, Breaks New Ground

The idea of taking apart a rat's heart and transforming it into a tissue-engineered stingray first came to Kevin Kit Parker during a trip to the New England Aquarium with his daughter. Four years later, a robotic ray that swims toward light has made the cover of Science Magazine and is pushing the limits of what's possible in the design of machines powered by living cells.   A research team based at Harvard University's Disease Biophysics Group, which Parker directs,...

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