This brand-new series highlights some of the major contributions women have made in the world of science. Did you know that the technology behind cell phones was based on an idea developed during World War II by the Hollywood star Heddy Lamar to prevent the enemy intercepting radio messages? The computer and other electronic devices have changed life dramatically over the last 70 years—and many of the key breakthroughs in technology were made by women. These women’s achievements were often highly specialized and have been widely overlooked. This book tells their stories and describes their vital contributions.