How do batteries work? How much energy is your plugged-in gadget using? How do UPC codes work? Find this out and more with Everyday Tech.
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How to Clean a Mousepad
They're Killing the MP3, but That's OK
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A Perfect Storm of Worldwide Catastrophes Is Causing the Global Semiconductor Shortage
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Consumer Electronics Show 2002
Consumer Electronics Show 2001
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These days, information is coming at us from all directions -- it can be hard to stay focused on the task at hand. Some say modern communications methods will permanently change the way we think.
As electronics become smaller and more functional, you can do more things with fewer devices. But is putting all that technology in one device a good idea?
A typical home probably has five to 10 transformers plugged into the wall at any given time. It turns out that these transformers consume power whenever they are plugged in, whether they are connected to a device or not.
You've probably used a restaurant pager, but have you taken one apart? We have -- see how it works.
By Jeff Tyson
Location tracking is one of those double-edged swords of technology. It can help find people in an emergency, but it can also make your whereabouts known to strangers. Where are these systems starting to appear?
By Kevin Bonsor
The little disposable battery testers you see on batteries or battery packages are a great example of combined technologies -- several existing technologies have been combined in a completely new way!
The "self-recharging" feature of a battery is most noticeable in a car battery. In some cases, you can crank the engine until the battery seems totally dead, then come back an hour later and crank it again.
Ever wonder why some appliance plugs have three prongs and others have only two? What does that third prong do? And what would happen if you plugged a three-pronger into a two-prong outlet with an adapter?
Have you ever noticed the "CE" stamped on many consumer products and electronics? Find out what this logo says about the product you're buying.
A large number of electronic devices carry "UL" marks. You can find them on everything from Christmas lights to digital camcorders. What does this logo mean?