Mechanical engineering is a broad discipline that combines various subjects, including math, physics, and business, to advance many different technological developments. One of the oldest engineering fields, it has contributed to inventions that have revolutionized human existence, such as air travel, the printing press, and the internal combustion engine. Modern-day mechanical engineers work on innovations both big and small in a range of industries. If you aspire to work on cutting-edge developments in biotechnics, renewable energy, robotics, or electric cars — to name a few areas — a master's in mechanical engineering can be an excellent choice. Continue reading to learn more about master's degrees in mechanical engineering, costs, courses, and how to choose a program. Our guide to online engineering degrees provides more information about programs in this field.