Smart phones are making Wi-Fi hotspots hot again

Lisa Helminiak, who uses her iPhone as a computer as much as to talk, has declared her independence from the slow cell phone network. Instead of using AT&T's network, she's using her phone's Wi-Fi capability to connect to ...

Netbooks now being sold like cell phones

If you walked into the right RadioShack store last weekend, you could get an Acer Aspire "netbook" computer for free. The catch: You would have to sign a two-year contract for mobile Internet service from AT&T, at $60 a month ...

Wi-fi will soon reach its limits: Dutch study

Wi-Fi, the well-known standard for wireless internet, is reaching its technical limits. Its efficiency drops significantly in busy surroundings where many different networks and numerous wireless internet enabled devices ...

Deep underground, smartphones can save miners' lives

American mining production increased earlier this decade, as industry sought to reduce its reliance on other countries for key minerals such as coal for energy and rare-earth metals for use in consumer electronics. But mining ...

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