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How RealD 3-D Works
entertainment.howstuffworks.com/reald-3-d.htm
RealD 3-D optimizes the 3-D viewing experience. Find out how RealD takes on traditional 3-D.
How 3-D TV Works
electronics.howstuffworks.com/3d-tv.htm
3-D TV can let you watch a movie in 3-D without those goofy glasses. See how 3-D TV works, including 3-D technology and types of 3-D glasses.
How is digital 3-D different from old 3-D movies?
entertainment.howstuffworks.com/digital-3d.htm
Many people remember the weird, headache-inducing colors that were part of old 3-D movies. But in new movies like "Meet the Robinsons," 3-D loses the paper glasses and goes digital.
How Does a 3D Printer Work?
computer.howstuffworks.com/3-d-printing.htm
3D printing has made it possible to print out almost anything - including homes, medical devices, clothing, and even a human heart! But how does a 3D printer work, and what are the drawbacks?
How a Concours d'Elegance Works
auto.howstuffworks.com/concours-d-elegance.htm
A Concours d'Elegance is a unique auto show that emphasizes the highest levels of auto restoration. Read more about the Concours d'Elegance.
How 3-D Glasses Work
science.howstuffworks.com/3-d-glasses.htm
NASA's Mars rovers are sending 3-D images to Earth, so we can see depth and texture on the Martian surface. And how do we see this depth and texture? 3-D glasses, of course! Check out how they work.
How 3-D Puzzles Work
entertainment.howstuffworks.com/puzzles/3d-puzzles.htm
3-D puzzles result in three-dimensional, structural objects when solved. Learn how 3-D puzzles work at HowStuffWorks.
How Do QR Codes Work? 2D Barcodes Explained
science.howstuffworks.com/innovation/repurposed-inventions/2d-barcodes.htm
2D barcodes are being used in some interesting ways. Visit HowStuffWorks to learn everything about 2D barcodes.
The D-Day Invasion: January 1944-July 1944
history.howstuffworks.com/world-war-ii/d-day-invasion.htm
This World War II timeline highlights key events from January 1944 through July 1944. Follow the events of World War II, including the D-Day invasion.
How 4D Printing Works
science.howstuffworks.com/4d-printing.htm
Is 4D printing much different from 3-D printing? What if we told you some tech insiders are betting it has the potential to change industries from fashion to health care to defense?