Though the first electric arc lamp was invented by Sir Humphry Davy in the early 1800s, this particular device was too large to be a portable light source, and it would be almost a hundred years ...

Davy's 1802 invention was known as an electric arc lamp, named for the bright arc of light emitted between its two carbon rods, according to "The Life of Sir Humphrey Davy" (HardPress Publishing ...

Flashlights have gone through a lot of innovations since the first "modern" flashlight lit up in 1899. Invented by David Misell, the tubular flashlight used three dry cell batteries end to end ...