re help how to construct home built battery for rd grade sci report in article c ge lo athena cs uga edu mcovingt aisun ai uga edu michael covington writes almost any two dissimilar metals in almost any electrically conductive liquid example copper and zinc in coca cola copper and galvanized steel nails in a lemon don t expect much power out but it should be easily detectable with a voltmeter michael a covington associate research scientist artificial intelligence programs mcovingt ai uga edu the university of georgia phone athens georgia u s a amateur radio n tmi a copper and a zinc rod in a potato also work nice
