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Nov 22, 2013 · In the 19th century, two Germans -- glassblower Heinrich Geissler and physician Julius Plücker -- discovered that they could produce light by removing almost all of the air from a long glass tube and passing an electrical current through it, an invention that became known as the Geissler tube.
Mar 13, 2018 · Edison was able to produce over 13 continuous hours of light with the cotton thread filament, and filed his first light bulb patent on January 27, 1880. Later, he and his researchers found that the ideal filament substance was carbonized bamboo, which produced over 1,200 hours of continuous light.
Nov 2, 2022 · In 1840, British scientist Warren de la Rue developed an efficiently designed lightbulb using a coiled platinum filament in place of copper, but the high cost of platinum kept the bulb from...
Explore the history of the light bulb and discover who really invented it with BBC Science Focus Magazine.
Aug 27, 2022 · While Thomas Edison is credited with inventing the first practical incandescent bulb in 1879, the story of who invented the lightbulb is much more complicated. Of Thomas Edison’s 1,000 patents, the very first lightbulb is not one of them.
Nov 9, 2009 · Thomas Edison was a prolific inventor and savvy businessman who acquired a record number of 1,093 patents (singly or jointly) and was the driving force behind such innovations as the...
By January 1879, at his laboratory in Menlo Park, New Jersey, Edison had built his first high resistance, incandescent electric light. It worked by passing electricity through a thin platinum filament in the glass vacuum bulb, which delayed the filament from melting.
