Electromagnets, hydraulics, motors, and lenses—what exactly is going on under the hood of a car or inside a vacuum cleaner? Campers dig into the complex world of machines and how they work. Through visits to the United States Patent and Trademark Office and the American History Museum’s invention-focused exhibits, they investigate the many interconnected working parts that go into making a machine and create a prototyped machine to be revealed at the end of the week.
