A stretchable highway for light: Researchers build the first circuit with stretchable optical interconnections

For futuristic applications like wearable body sensors and robotic skin, researchers need to ferry information along flexible routes. Electronics that bend and stretch have become possible in recent years, but similar work in the field of optics – communicating with light instead of electrons – has lagged behind. Particularly difficult to engineer have been optics that stretch, lengthening when someone wearing body sensors bends to tie their shoe, or when a robotic arm twists through a full range of motion.

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