Scientists said Wednesday they have developed the world's tiniest pacemaker, a temporary heartbeat regulator smaller than a ...

The tiny device developed by Professors John Rogers, Igor Efimov, and Yonggang Huang can be inserted with a syringe, and then dissolve after it’s no longer needed.

Galvanic isolation is a method of removing any electrical connection between two circuits. Connections can still be made through optical, magnetic, or capacitive methods, just to name a few.