inventores By hank3 Apr 11, 1698 steam engine oliver evans invented the steam engine for power Apr 13, 1867 dynamite to help with mining Apr 13, 1874 barbed wire to keep animals in Apr 13, 1875 submarine to travel underwater and discover new things underwater Apr 13, 1878 breakfast cereal so you can eat in the mornings Apr 13, 1884 smokeless gunpowder so you can see while shooting
