Steam Engine

Thomas Savery patented the first practical steam engine in 1698. It was one of the greatest inventions made by a man making him one of the people who has changed the world.
Later in 1781, James Watt patented an improved steam engine and went on to fuel one of the most momentous technological leaps in human history during the Industrial Revolution.
During the 1800s these engines lead to an improvement in transportation, agriculture, and manufacturing industries.
Later, the steam engine’s basic principle set the stage for innovations like internal combustion engines and jet turbines, which prompted the rise of cars and aircraft during the 20th century.