The efforts to create a lightbulb started early in the 19th century, but they all failed at the same hurdle: the filament would break after a few days use. When tungsten was introduced as the filament material, humanity was liberated from the dependence of just daylight hours to get things done!
The efforts to create a lightbulb started early in the 19th century, but they all failed at the same hurdle: the filament would break after a few days use. When tungsten was introduced as the filament material, humanity was liberated from the dependence of just daylight hours to get things done!