A new wireless electronic tattoo is so flexible and thin it can easily be applied to the skin—and just as easily removed. The system could be used for monitoring heart, muscle, and brain activity. It also could have applications for chemical and biological sensing, wound treatment, and even computer gaming.
“The blurring of electronics and biology is the key point here,” says Yonggang Huang, who led the theory and design work at Northwestern University. “All established forms of electronics are hard, rigid. Biology is soft, elastic. It’s two different worlds. We found a way to truly integrate them.”
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(Photo credit: John Rogers, University of Illinois)