Search Results | D
Your search for "D" returned 10,356 results
How Vitamin D Works
health.howstuffworks.com/wellness/food-nutrition/vitamin-supplements/vitamin-d.htm
Vitamin D helps prevent calcium-deficiency diseases but can be toxic if taken in excess. Learn how much to ingest and how to get Vitamin D.
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 Gestures Work
computer.howstuffworks.com/3-d-gestures.htm
3-D gestures may be the future for operating computers. Find out what tools make 3-D gestures possible and how it will work.
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.