Camera Basics
Before you point and shoot, there are a few things to know. Explore camera basics and zoom in on the fundamentals of photography, such as how cameras and camcorders work.
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The images of our ancestors are locked away and disappearing on tarnished silver plates. Scientists have found a way to bring them back to life.
By Carrie Tatro
Thermographic cameras detect infrared light (or heat) invisible to the human eye. How can the camera's sensors register temperature at a distance, and how can the tech be used?
Cameras are everywhere -- in phones and cars, on buildings and street corners, and even in outer space. Check out the technology, gadgets and imagery that are all part of the bigger camera picture.
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Most people enjoy capturing memories on film: birthdays, anniversaries or perhaps a trip to the beach. But how can someone take a picture of a speeding bullet? How do they freeze a hummingbird's wings in mid-flight?
By John Fuller
A camera flash seems like a pretty basic device, but there's actually some interesting circuitry at work. Find out how a flash charges up and see exactly what happens the instant it goes off.
By Tom Harris
Instant cameras depend on the same process of photographic development as regular film cameras. How does such a small device encompass the developing process?
Digital may be taking over, but optical started it all. A camera is an incredible piece of technology that essentially records light. Take a look inside a single lens reflex camera.
By Tom Harris
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If you're looking to get famous on YouTube or delight your friends with hours of your vacation footage, there's no time like the present. Camcorders have gotten small enough to fit in a pocket. Find out how they work.
By Tom Harris
A pinhole camera is the simplest camera possible. To get a better understanding of how they work, read more about camera obscura principles.
By Yara Simón
Why do people have red eyes in some flash photographs? Take a look at the science behind why red eyes happen.
You didn't really need to miss that amazing zebra shot during your African safari. Here's a nifty gadget that would have helped – an autofocusing camera. In this article, we’ll explain how the two types of autofocus features work, plus we’ll give you tips on how to use them.
By Gary Brown
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Photographic film has been around for more than a century, and it's still the best way to capture an image. Discover what's going on when you take a picture.