Oscar Ramos 9D Inventos Humanos By Woynert 50,000 BCE Fuego 10,000 BCE Agricultura 3000 BCE Cuneiforme 105 Papel 1000 Brujula 1400 Imprenta 1769 Maquina de vapor 1886 Carro 1939 Bomba Atomica 1991 Red Mundial
