What is mechanical engineering?

Mechanical engineering is the branch of engineering that deals with the design, construction, and use of machines. Mechanical engineering can be used to build small individual parts or giant systems.

Mechanical engineering is one of the most diverse engineering disciplines in existence. It is used everywhere from the automotive industry to biotechnology. Mechanical engineering deals with anything and everything that moves.
Mechanical engineering first emerged during the industrial revolution in Europe. It developed during the 18th century and is a branch of the study of physics. Today, mechanical engineering is grouped together with areas such as manufacturing engineering, automotive engineering, and aerospace engineering. Nanotechnology is the smallest scale in which mechanical engineering takes place.