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Sir Charles Wheatstone invented the stereoscope, creating the first device to display 3D images by presenting slightly different images to each eye. This breakthrough laid the foundation for all future 3D technology by demonstrating how the human brain processes binocular vision to perceive depth.

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David Brewster improved upon Wheatstone's design with the lenticular stereoscope, making 3D viewing more accessible to the public. This development led to the popularization of stereoscopic photography and entertainment, setting the stage for consumer 3D products.

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1922: First 3D Movie 'The Power of Love'

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1922: First 3D Movie 'The Power of Love'

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The first commercial 3D film was released, using the red-green anaglyph process. Though primitive by today's standards, this marked the beginning of 3D entertainment in cinema. The film required audiences to wear colored glasses to perceive the three-dimensional effect.

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1939: View-Master Debuts at World's Fair

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1939: View-Master Debuts at World's Fair

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William Gruber and Harold Graves introduced the View-Master at the New York World's Fair. This iconic toy made 3D viewing accessible to children and families, using a simple reel system to display stereoscopic images. It became one of the most successful 3D consumer products ever created.

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Hollywood embraced 3D technology as a way to compete with television. Films like 'Bwana Devil' and 'House of Wax' drew audiences to theaters with spectacular three-dimensional effects. However, technical limitations and viewer discomfort led to a decline in 3D films by the end of the decade.

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1962: First Computer-Generated 3D Graphics

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1962: First Computer-Generated 3D Graphics

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Ivan Sutherland created Sketchpad, the first computer program to use 3D graphics. This revolutionary software allowed users to create and manipulate three-dimensional objects on a computer screen, laying the groundwork for modern computer-aided design (CAD) and 3D modeling software.

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CT (Computed Tomography) scanners began producing 3D images of the human body, revolutionizing medical diagnosis and treatment. This technology allowed doctors to visualize internal structures in three dimensions without invasive procedures, transforming healthcare practices worldwide.

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Pixar released 'Tin Toy,' the first computer-animated film to win an Academy Award. This achievement demonstrated the artistic and commercial potential of 3D computer animation, paving the way for the digital animation revolution that would follow in the 1990s and 2000s.

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1995: Toy Story - First Fully 3D Animated Feature

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1995: Toy Story - First Fully 3D Animated Feature

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Pixar's 'Toy Story' became the first entirely computer-generated 3D animated feature film. This landmark achievement proved that 3D animation could carry a full-length narrative film, fundamentally changing the animation industry and inspiring countless studios to adopt 3D techniques.

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James Cameron's 'Avatar' brought 3D cinema back into the mainstream with unprecedented visual quality and immersive storytelling. The film's success sparked a new wave of 3D movies and demonstrated the commercial viability of premium 3D entertainment experiences.

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Affordable desktop 3D printers became available to consumers and small businesses, democratizing three-dimensional manufacturing. This technology enabled rapid prototyping, custom manufacturing, and creative expression, transforming industries from healthcare to aerospace.

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The launch of consumer VR headsets like Oculus Rift, HTC Vive, and PlayStation VR marked the beginning of mainstream virtual reality adoption. These devices offered immersive 3D experiences for gaming, education, and professional applications, making VR accessible to millions of users.

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AR technology became integrated into smartphones and everyday applications, allowing users to overlay digital 3D objects onto the real world. From furniture shopping apps to educational experiences, AR brought 3D technology into daily life in unprecedented ways.