Edison's light bulb didn't remain limited to the Americas for long ... The move from gas to electric lighting also reduced fire hazards and improved indoor air quality. By the early 20th century, even ...
He acquired an early interest in telegraphy and took lessons informally at telegraph offices ... A bamboo sample taken from a ladies’ hand fan proved the best, due to the molecular structure of bamboo ...
Born in Milan, Ohio, on February 11, 1847, Edison's inventions, which included perfecting the light bulb and phonograph, radically transformed modern civilization and helped make the 20th century ...
He gave public demonstrations of this scientific breakthrough in late 1878 and early ... world's first light bulb factory at Benwell in Newcastle. In 1883 Swan teamed up with Thomas Edison of ...