Machine defined: what is a machine and what are its uses?

Machines can be classified into two broad categories: mechanical and electrical. Mechanical machines include things like windmills, pulleys, and levers, which use mechanical energy to do work. Electrical machines include such things as motors and generators, which convert electrical energy into other forms of power for doing work. These conversions happen in the form of rotating shafts and spinning magnetic fields that have many different applications from running household appliances to producing electricity.

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Machines have been around for centuries. The earliest known machines were used to make looms and spinning wheels in the ancient world. They simplified the process of weaving and spinning yarn, making it easier for humans to do their work more quickly. These early machines were powered by waterwheels and windmills. In the Middle Ages, Europeans developed screw-cutting lathes, which allowed them to create screws from metal with relative ease.

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By the 19th century, inventors had invented all sorts of new machines that made tasks like weaving cotton or cutting wood faster, easier, and more efficient than ever before. In 1814, Joseph Bramah created what he called a Water Destroyer to pump water out of mines. In 1832, John Stevens built an engine that would power locomotives.

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By 1850, steam power was commonplace in America as it was being utilized by railroads across the country. Henry Ford’s assembly line reduced the time needed to build automobiles down to one hour per car by using multiple machines at once and dividing up parts of the assembly process among many workers instead of one person doing everything themselves on an individual basis.