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Flat screen TVs come in different flavors. Learn about the difference between LCD and LED in this article.

A scanning backlight can be found in TVs and activates when and where it's needed to produce images. See how scanning backlights are used.

HowStuffWorks finds out what dirty screen effect is, which TVs are more likely to have it and whether there are ways to combat it.

HDTVs, receivers and programming are more than enough for most of us to digest. But learn what the next phase, called "upconverting," will mean.

DVD players are exceptionally precise pieces of equipment. See how DVD players work, including information on DVD drives, outputs and more.

The Nintendo Power Glove seemed like the gaming accessory of the future. Find out how the Power Glove worked and why it didn't deliver.

How do VHS tapes prevent you from bootlegging a copy of a movie? Find out how Macrovision works.

What is all the flickering when I try to record a television set picture with a video camera?

After all that hype, the experience of watching a brand new HDTV can be a little anticlimactic. Find out why it can happen.

HDTV hit the market in 1998, and has ushered in an era of superior resolution and sound. Learn about HDTV and check out expert reviews for HDTV.

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