"This curricular, STEM-focused title outlines how electric circuits work, including power sources, wires, electrons, atoms, and more. Find out how where energy starts and how it flows into the electronic devices people use every day!"--

"This book will explain how light-emitting diodes (LEDs) work and what products they are used in, as well as comparing LEDs with traditional incandescent and fluorescent light bulbs."--

Looks at how transistors are used to control current in electronic devices, examining how they work, their history, different types of transistors, and where the transistor may go in the future. --Publisher's description.