Have you ever wondered how a set of batteries power the remote for your TV? Or have you ever wanted to examine the battery inside a car? Without batteries, we would not be able to power many of the electronics we use every day. But how does a battery store energy and provide electricity to these devices? What are the parts that make a battery work? Discover the history of batteries and how scientists and engineers figured out ways to store electricity....

Did you know that electric current can be controlled? Have you ever wondered how that might be done? Transistors can act as amplifiers, taking in a small current and sending out a larger one, or as switches, turning electric current on and off. But how do these different transistors work? How are they used in our electronic devices? Discover the history of how transistors were developed, explore how different types of transistors can play different...

Have you ever seen lights turn on automatically when you step into a room? Or have you ever wondered how a garage door knows to not close when someone is standing beneath it? What these and countless other electronic devices have in common is a sensor. But how do sensors work? What are they used for? Discover how robotic and electronic sensors can be programmed to work as our five senses do. Learn how sensors are used to save energy, keep us safe,...