When you put on a pair of 3D viewing glasses and experience the magic of three-dimensional movies, have you ever wondered who invented these iconic accessories? The credit for the invention of 3D viewing glasses goes to Sir Charles Wheatstone. In 1838, Wheatstone, an English scientist, discovered the principle of stereopsis, which is the process by which the brain combines the slightly different images from each eye to create a perception of depth. This groundbreaking discovery laid the foundation for the development of 3D technology. Fast forward to the 20th century, and the concept of 3D movies became a reality. The first ever 3D movie, 'The Power of Love,' was released in 1922, using anaglyph 3D technology, which required viewers to wear red and green glasses to experience the 3D effect. The popularity of 3D movies surged in the 1950s, and the familiar polarized 3D glasses were introduced. These glasses worked by allowing different images to be shown to each eye, creating the illusion of depth. In the 21st century, 3D technology has continued to evolve, with advancements in digital 3D projection and the introduction of IMAX 3D. The 3D viewing glasses, initially invented by Sir Charles Wheatstone, have become a staple in the world of entertainment, captivating audiences with immersive and lifelike experiences. From the humble beginnings of an English scientist's discovery to the cutting-edge technology of today, 3D viewing glasses have come a long way, thanks to the innovative spirit of their inventor and the continual advancements in technology.