... 2 million (Pursell, 1995). In 1900 the electric motor and the internal combustion engine were the most significant inventions. They contributed greatly to human welfare and they replaced horse drawn transport. The real breakthrough, however, did not come until ships powered by compound engines operating at far higher steam pressures ... device has turned our society upside down all by doing just one thing: making information cheaper." He also relates this to the steam engine in which he stated that, "Our ancestors of two centuries ago had to go through the same process without this kind ...

• Word Count: 3141
• Approx Pages: 13
• Has Bibliography

... The expansion west needed industrial recourses. The railroad itself encouraged the industries of steel, coal, wood, glass and rubber. The expansion west was not the only thing that encouraged the growth of industry; good economic times and a rise in population fueled the ... during the four years of war, so that by 1918, the motor driven vehicle and the internal combustion engine had become thoroughly reliable. Henry Ford inventor of the automobile ... the moving assembly line, Ford revolutionized the auto industry by increasing the pay and decreasing the hours of his employees, ensuring ...

• Word Count: 1535
• Approx Pages: 6
• Grade Level: High School