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How Facial Recognition Technology Works

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Humans have always had the innate ability to recognize and distinguish faces, but computers only recently have shown the same ability. Learn how facial recognition systems work.

How Joysticks Work

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Video games are amazing creations, but the fact remains -- if you can't input, you can't play. Take a look inside the quintessential game controller and see how it has evolved over the years.

Most of us don't think about what's going on inside a copier while we wait for it to shoot out the copies. Find out how, in mere seconds, you can produce an exact replica of what's on a sheet of paper!

How Dreamcast Works

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Popular Science magazine recognized the Sega Dreamcast as one of the most important and innovative products of 1999. Find out what made it so amazing.

Is sleep that important?

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The importance of sleep is something you hear about often in health news, but is lots of sleep really necessary? Investigate the importance of sleep.

Inside 'Shutter'

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Shutter is a horror movie about spirit photography. Read about Shutter.

How Recording Sessions Work

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Recording sessions are often perceived as glamorous but they involve a lot of work and planning. Learn more about recording sessions at HowStuffWorks.