This document provides an overview of stereoscopic and virtual reality technologies. It discusses the history of stereoscopy from early concepts in the 1830s to modern implementations using polarized glasses or active shutter glasses. It also covers applications of stereoscopic technology in movies, gaming, and other industries. Virtual reality is introduced as using headsets and controllers to create fully immersive digital worlds by tracking user movements and allowing interaction. The document outlines current and potential future uses of stereoscopic and virtual reality technologies in entertainment, medicine, education, business and beyond.