Virtual-reality headsets are a Modern Engineering Marvel! In this engaging title, readers will explore the history of virtual-reality immersion from the stereoscope and View-Master to flight simulators and arcade games to today's head mounted displays! Palmer Lucky and Occulus Rift are featured, and a colorful infographic shows how a virtual-reality headset works. Readers will learn about the future of virtual-reality headsets including military training and crime scene investigation. A timeline, a glossary, and an index supplement historical and color photos. Aligned to Common Core Standards and correlated to state standards. Checkerboard Library is an imprint of Abdo Publishing, a division of ABDO.