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.
The Greeks first discovered static electricity about 2,000 years ago and used it to make compasses for navigating. There were some clay pot batteries discovered in Baghdad, Ir â¦ aq; that date back about 2000 years also.They have not been able to figure out what the batteries were used for.8 people found this useful.he Greeks first discovered static electricity about 2,000 years ago and used it to make compasses for navigating. There were some clay pot batteries discovered in Baghdad, Ir â¦ aq; that date back about 2000 years also. They have not been able to figure out what the batteries were used for. 8 people found this useful.