Why aren't 3-D glasses red and blue anymore? | HowStuffWorks
How to make 3D glasses - YouTube
A history of 3D cinema | Movies | The Guardian
Now, you can watch 3D movies at home sans glasses - The Economic Times
Amazon.com: New - RealD Compatible 3D Circular Polarized Glasses for Cinema - For Resident Evil: Afterlife 3D, dispicable me 3D, the last airbender and Toy Story 3 3D : Electronics
The History of 3D Technology | American Paper Optics
How Do 3-D Glasses Work?
What happens if you watch a 3D movie without 3D glasses? - Quora
How Does 3D Work? | Wonderopolis
How to Make Your Own 3D Glasses: 9 Steps (with Pictures) - wikiHow