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Light-activated heart cells help guide robotic stingray

Engineering feat could pave way for new artificial organs

robotic stingray

SEE-THROUGH STINGRAY  A tiny robotic stingray with silicone skin and a gold skeleton uses muscles made out of rat heart cells to wiggle its fins. 

Karaghen Hudson and Michael Rosnach

By Meghan Rosen

- More than 2 years ago

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Even robots can use a heart.