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LEDs vs. the Lightbulb

May 2003

With their longer lifetimes and higher efficiencies, light-emitting diodes will transform the illumination industry-and save billions in energy costs.

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Features

  • Categorized in 17032

    Mind-Machine Merger

    Devices that connect the brain with computers could lead to mind-controlled robots, repair neurological disorders, and even improve memory.
  • Categorized in Uncategorized

    Surveillance Nation-Part Two

    In pursuit of security and service, we are submitting ourselves to a proliferation of monitoring technologies. But a loss of privacy is not inevitable.
  • Categorized in 17036

    Patents Go Global

    A single global patent system could simplify the international patent process. Will the United States sign on?
  • Categorized in 17032

    The Printable Transistor

    Bell Labs rethinks the transistor-as cheap, flexible, and organic.

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