历史上最伟大发明的真相

per, which means it could more efficiently produce light. Edison got rich off the bamboo, and filthy disgusting rich8) from superior manufacturing and marketing of his product. But within a generation other inventors had developed better filaments9) and today’s light-bulbs.
　　Telegraph
　　As the tale goes, Samuel Morse was having dinner with friends and debating electromagnetism10) when h
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