As transistors get smaller, however, laying down n-type and p-type materials in proximity gets harder, thanks once again to fluctuations in the concentrations of dopants.

然而，晶体管越小，制造PN结的难度就越大，这也是受到了掺入元素浓度波动的影响。

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Those on the front lines of networking, such as the telcos, Internet service providers, competitive local exchange companies and wireless operators, still prefer time-tested Unix as the operating system for networks. (Prediction: Cisco and Lucent may become the biggest threats to Microsoft over the next five years.) n Thanks to the Internet, small niche companies can reach mass markets in a heartbeat.

FORBES: Digital Rules: How Microsoft could blow it

Thanks to the empathy and intelligence of the director, John N.

NEWYORKER: The Boys of St. Vincent

No, you're not holding it wrong -- in fact, with Canon's new PowerShot N, any and every orientation is correct, thanks to a unique square design with key controls mounted around the center-positioned lens.

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