Who Made The Light Bulb

It was edison who first invented the light bulb and a filament that could last 1 200 hours.

Who made the light bulb. The first electric light bulb invented by thomas alva edison in 1879 and patented on january 27 1880. These inventions which include the phonograph the motion picture camera and early versions of the electric. His choice of pricey platinum for the filament and the difficulties of achieving a good vacuum made the result uneconomic however. Edit september 2020 the former vice president joe biden made a controversial statement saying that a black man invented the light bulb not a white guy named edison.

Thomas alva edison february 11 1847 october 18 1931 was an american inventor and businessman who has been described as america s greatest inventor. Thomas edison built on their successes and. He developed many devices in fields such as electric power generation mass communication sound recording and motion pictures. Speaking at grace lutheran church said we don t teach history in history classes people fear that s which that which is different.

Edison also made other improvements to the light bulb including creating a better vacuum pump to fully remove the air from the bulb and developing the edison screw what is now the standard socket fittings for light bulbs. It was made with a platinum filament encased in a glass bulb. The light bulb invented by cruto lasted five hundred hours as opposed to the forty of edison s original version. In a bid to woo the african american voters ahead of the us presidential elections democratic presidential candidate joe biden raised eyebrows saying that a black man invented the light bulb and not a white man named edison.

In 1882 munich electrical exhibition in baveria germany cruto s lamp was more efficient than the edison s one and produced a better white light. Unfortunately the high cost of the material prevented the bulb from becoming a commercial success. According to the department of energy edison secured patents for the incandescent light bulb in 1879. Advertisement in 1878 another british chemist joseph swan publicly demonstrated the first light based on commercially viable carbon but his use of relatively thick filaments still led to rapid burnout.

Around the same time edison was experimenting with his bulb using.