AMERICAN CHEMICAL SOCIETY IMAGE: SPONGE ELECTRODES, SEEN HERE IN A VARIETY OF THICKNESSES, USE SUGAR CUBES AS TEMPLATES. CREDIT: ADAPTED FROM ACS NANO 2022, DOI: 10.1021/ACSNANO.2C04962 To monitor heart rhythms and muscle function, doctors often attach electrodes to a patient’s skin, detecting the electrical signals that lie beneath. These impulses are vital to the early...
