1878 people only know to arc lamps, but these lamps have the heat too high, unpleasant odors are not suitable for use in the home. TE for that electricity can provide softer light 1, cheaper and safer. He had read all the documents related to electricity. CT 50000 spent and provide laboratory and manpower to help him. Fuse, self-breaker button, .. is TE invented during research electric lights. TE has used the piece of metal wire loop and the current passing through but fires. Then he used the metal placed in glass bulbs do not contain air but not enough time to glow. E has used this fiber strand Platine but too expensive and energy-consuming. He also tried many other metals, but all failed. He thought, "Why do not I try to use carbon fiber piece 1". E was fired and then took it to the thread on the lamp. The result is a 40-KNOWN light bulb
invented the
electric light
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