Edison got serious about electric lighting ... Tungsten filaments have a low resistance when cold, which causes a bulb to draw a lot of current when it first turns on. As the filament gets hot ...

Thomas Alva Edison, the man behind the electric bulb has been a well-known inventor for more than a century now. It is primarily thanks to his incredible demonstration on a chilly New Year's Eve in ...

The science of creating elliptically polarized light According to the researchers, twisted light can be produced using the same technology as the 100-year-old Edison bulb (filament light bulb) ...