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.
. 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. 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.