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Features Archive

  • The Decline of Wikipedia

    The community that built the largest encyclopedia in history is shrinking, even as more people and Internet services depend on it than ever. Can it be revived, or is this the end of the Web’s idealistic era?

    313 comments

  • A Tale of
    Two Drugs

    Today’s medicines can cost hundreds of thousands of dollars a year. The story of how two companies set prices for their costly new drugs suggests that the way we determine the value of such treatments will help decide the future of our health-care system.

    42 comments

  • Supergrids

    A high-power circuit breaker could finally make DC power grids practical.

    12 comments

  • The Spectrum Crunch That Wasn’t

    Tiny transmitters, spectrum sharing, and new information- coding technologies promise to keep wireless data capacity increasing for years.

    5 comments

  • The Dementia Plague

    As the world’s population of older people rapidly grows in the coming years, Alzheimer’s and other forms of dementia will become a health-care disaster.

    36 comments

  • How Facebook Works

    The social network’s technology manages a vast and rapidly expanding web of connections for its millions of users.

    2 comments

  • A Practical Road to Lightweight Cars

    Sure, we could make the leap to a plastic “supercar” but who could afford to buy it? The auto industry can get just as far, and achieve lower costs, by taking one step at a time.

    1 comment

  • Survival in the Battery Business

    Backing from disparate investors such as General Motors and a vacuum maker has given the battery startup Sakti3 an unusual amount of momentum.

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