Ancient Baghdad Jar Sparks Battery Debate: Could It Power a 1.4V Cell?
A revived debate over the Baghdad battery: a 2,000-year-old artifact might have functioned as a galvanic cell producing about 1.4 volts, according to a new reconstruction, but many archaeologists remain skeptical, suggesting the jar was likely a sacred object for storing prayers with iron nails used in ritual, and the original artifact is lost, leaving room for interpretation.