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Alternative Treatments for Cataracts and Macular Degeneration
Cataracts can become a major problem as people age, but there are alternative treatments that combat the degeneration of the eyes. Learn more.
How Elumens Vision Station Works
computer.howstuffworks.com/elumens.htm
The next generation in computer displays gives you a full 180-degree field of view. Learn how the Elumens display works!
Why do people have red eyes in flash photographs?
electronics.howstuffworks.com/question51.htm
Why do people have red eyes in some flash photographs? Take a look at the science behind why red eyes happen.
How Camcorders Work
electronics.howstuffworks.com/camcorder.htm
If you're looking to delight your friends with hours of your vacation footage in prime, digital form, there's no time like the present. Camcorders have gotten small enough to fit in a pocket. Find out how they work.
How Telescopes Work
science.howstuffworks.com/telescope.htm
For centuries, curious observers have probed the heavens with the aid of telescopes. Today, both amateur and professional scopes magnify images in a variety of ways.
How High-speed Photography Works
electronics.howstuffworks.com/high-speed-photography.htm
High-speed photography records fast-moving objects, capturing images normally invisible to the human eye. Find out about high-speed photography here.
How Sunglasses Work
science.howstuffworks.com/innovation/everyday-innovations/sunglass.htm
Whether you're hitting the surf or the slopes or just spending a day on the lake, sunglasses are a must-have accessory. Find out if the $10 sunglasses are as good as the high-cost ones.
How Movie Projectors Work
entertainment.howstuffworks.com/movie-projector.htm
When you see a movie in the theater, do you notice the projector? Without it, you'd be staring at a blank screen. Enter the projection booth and learn what it takes to show a movie.
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 Tooth-in-eye Surgery Works
health.howstuffworks.com/medicine/surgeries-procedures/tooth-in-eye-surgery.htm
It's possible to restore vision -- with a tooth. Find out about tooth-in-eye surgery at HowStuffWorks.