MTL News

Tiny fibers open new windows into the brain

February 22, 2017

Three-in-one design allows genetic, chemical, optical, and electrical inputs and outputs.

MIT-Multifunction-Fiber_0.jpg
Graduate student Seongjun Park holds an example of a new flexible fiber, which is no bigger than a human hair and has successfully delivered a combination of optical, electrical, and chemical signals back and forth into the brain.

Photo: Young Gyu Yoon

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