Techspedia™

Dirt and dust can easily get trapped in the headphone jacks of many phones and laptop computers. So before you take a trip to the Apple store, try the MacGyver trick we picked up.

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While some carriers determine a 911 caller’s location by triangulation, Sprint and Verizon rely on real GPS chips in their phones. If you think this raises privacy concerns, just consider the nature of mobile phones, which are continually connecting to towers.

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There’s no reason movies shot on 35-mm film can’t look great in HD; their native resolution is actually far higher than Blu-ray’s. Still, not all Blu-ray discs look good-even new releases.

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Looking to build a home theater system without filling your room with speakers? Though they do have their shortcomings, a sound bar will do a surprisingly solid job in an extremely compact package.

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Apple wowed fans when it started renting movies through iTunes, but it wasn’t a new idea. Here’s how the Apple service compares to competitors that let you download movies for your TV. With all three, films work for 24 hours after you hit play.

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But because it uses software-based algorithms to simulate the effect, the converted films don’t look nearly as good as movies that were natively shot in 3D. Still, there’s to connect a PC to your 3D-capable TV: a growing number of 3D-enabled games.

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Kust because you have the same IP as your neighbor doesn’t mean you’re on the same network or that he can see your machines. That is, of course, unless you’re sharing the same Wi-Fi connection.

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When Barack Obama’s plane encountered mechanical problems during a flight on Monday, was the presumptive Democratic presidential candidate in more danger than anyone let on?

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War-game tests by Iran sent shock waves on Wednesday, so we asked two top researchers to break down the arsenal in a potential airstrike by Israel on Iranian nuclear facilities-a battle that very well could determine the future of the Middle East.

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