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.
Transcript of The first battery was invented in 1800 by Alessandro Volta. Alessandro Volta invented the first wet cell battery called the Volta pile. It was composed of alternating discs of zinc and copper with pieces of cardboard soaked in brine to then create an electrical current.