2,000-Year-Old Battery Has Puzzled Archaeologists for Decades

2,000-Year-Old Battery Has Puzzled Archaeologists for Decades - The Epoch Times: "The so-called Baghdad batteries are artifacts found by German archaeologist Wilhelm Konig in 1938 just outside of Baghdad, Iraq. Replicas of these artifacts prove that they could generate more than a volt of electricity—thousands of years before it was thought humans had the technology to do so."