Throughout the ages, engineers have found creative solutions to the challenges that face society, from the building of ancient Roman aqueducts to the use of electric power. In our contemporary knowledge-driven economy, Mechanical engineers design and create everything from tiny parts of giant machines to cars, stereos, and robots. At the forefront of manufacturing and technology, mechanical engineers work on anything that involves the design and/or manufacturing of mechanical, thermal or electronic devices. Throughout the ages, engineers have found creative solutions to the challenges that face society, from the building of ancient Roman aqueducts to the use of electric power. In our contemporary knowledge-driven economy, engineers are in demand at both national and global levels. Engineers are essential to our lives as they help design and create everything from agriculture systems to household electronics and daily transportation.