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.
Proof of this theory was the battery, which Volta invented in 1800. He built in 1800 the first electrical pile, or battery: a series of metal disks of two kinds, separated by cardboard disks soaked with acid or salt solutions.ount Alessandro Volta was born in Como, Italy, into a noble family. The Italian physicist Alessandro Giuseppe Antonio Anastasio Volta was the inventor of the voltaic pile, the first electric battery.