Spies Inside: Ultrasmall Electrodes Go Anywhere

Electricity controls much of the human body: consider the electrical firing of neurons and the current transmitted by the heart. Yet historically the electrodes that have been used in medicine to monitor and regulate essential activity have been biologically incompatible because they are stiff, big and water-sensitive. Now scientists are setting new standards with their designs for flexible, stretchable and waterproof circuits and electrodes that mimic the properties of human tissues

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Spies Inside: Ultrasmall Electrodes Go Anywhere