The back-and-forth motion of a swing is an example of a pendulum. We see pendulums in other areas of our lives as well, such as in grandfather (also known as longcase) clocks.ther factors, including a pendulum's length, can also affect its motion. Background. A pendulum is an object hung from a fixed point that swings back and forth under the action of gravity.
More than a century later, however, the worldâs first computer was actually built. 1890: Herman Hollerith designs a punch card system to calculate the 1880 census, accomplishing the task in just three years and saving the government $5 million.
Inventor of the ComputerMany say the first computer is the difference engine.. The first of these devices was conceived in 1786 by J. H. Mueller.It was never built. The first computer was invented by a British scientist Charles P.Babbage in 1822 but completed in 1871 by Helmet P.Babbage (the son of Charles P.Babbage). The Difference Engine: The first of these devices was conceived in 1786 by J. H. Mueller. It was never built.