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 1954 Solar Cells-Gerald Pearson, Calvin Fuller and Daryl Chapin invented the first solar battery. 2  A solar battery converts the sun's energy to electricity. 3  In 1954, Gerald Pearson, Calvin Fuller and Daryl Chapin invented the first solar battery. 1881 - Carl Gassner invented the first commercially successful dry cell battery (zinc-carbon cell). 2  1899 - Waldmar Jungner invented the first nickel-cadmium rechargeable battery. 3  1901 Alkaline Storage-Thomas Alva Edison invented the alkaline storage battery.