Who Invented Arc Lights

Sir Humphrey Davy devised the first arc light in the early 1800s using carbon electrodes. However for a long time the arc lights were a rare sight since they could be operated only by the means of expensive generators or batteries. Subsequently, many scientists improvised on the arc lamp hence facilitating its use in special places such as theatres, lighthouses etc. The development of inexpensive sources of electricity in the latter half of the century […]