Dimensional Analysis. Dimensional Analysis (also called Factor-Label Method or the Unit Factor Method) is a problem-solving method that uses the fact that any number or expression can be multiplied by one without changing its value. It is a useful technique.
In 1887, the first dry cell battery was invented. Unlike previous batteries, it used a paste electrolyte instead of a liquid.
1 1839 to 1842 - Inventors created improvements to batteries that used liquid electrodes to produce electricity. 2  Bunsen (1842) and Grove (1839) invented the most successful. 3  1859 Rechargeable-French inventor, Gaston Plante developed the first practical storage lead-acid battery that could be recharged (secondary battery).