James Watt - He invented the first most reliable steam engine in 1775. A steam engine takes the energy that heat creates, makes steam, and uses it to create mechanical and kinetic energy. http://en.wikipedia.org/wiki/Steam_engine#Rotary_steam_engines
Eli Whitney - He invented the cotton gin, and interchangeable parts for guns in 1793, and 1798. The cotton gin separates the fibers from the seeds. It pulls the cotton away from the seed, and also removes the remains of the cotton.
Robert Fulton - Developed and invented the first steamboat to go in service on the Hudson River in 1807 (Clermont). The Clermont had the steam engine attached to a paddle wheel where it used rotational force to move it through the water. It wasn’t the first one made, or the first one mass produced, but it was the first successful one.
Rudolf Diesel- Invented the first internal combustion engine to run of Diesel fuel in 1892. A gasoline engine draws in a mixture of Air/Fuel that is a roughly 50/50 mixture. The diesel engine takes in air, compresses air, and since air gets hot when it’s compressed, the gas sprayed on it at TDC (Top Dead Center) will ignite. If the engine is cold it will use glow plugs to help heat it up.
Although these inventions can profit us as Christians, to the world they are worthless. To an unbeliever, all he uses them for is to sin more and more, not one good can come out of it. So although it can be a blessing for those in Christ, it is a curse to them outside of them.
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