edison

Christmas Tree Candles to Lights
Until the Christmas of 1880 Christmas trees when decorated with candles. As you can imagine that would be quite dangerous having lighted candles on a dry tree. Thomas Edison, who invented the incandescent bulb in 1879, hung a string of electric lights outside his lab in New Jersey and that was the b…
Thomas Edison’s First Invention and More
Thomas Edison, who held over 1093 patients for inventions, had to start somewhere and today’s the day. In 1862, Edison was granted his first patent for an electric voting machine that he offered to Congress but no one want to use it. His next invention was much more profitable earning him $40,000 fo…