history of technology By jonjon13a Jan 1, 1860 history of technology Fire extinguishers are invented. Jan 1, 1861 Elisha Graves Otis invents the elevator with built-in safety brake. Jan 1, 1867 Joseph Monier invents reinforced concrete. Jan 1, 1868 Christopher Latham Sholes invents the modern typewriter and QWERTY keyboard. Jan 1, 1876 Alexander Graham Bell patents the telephone, though the true ownership of the invention remains controversial even today. Jan 1, 1880 Thomas Edison opens the world's first power plants. Jan 1, 2015 Supercomputers (the world's fastest computers) are now a mere 30 times less powerful than human brains.
