Tech

  1. Tech

    High-flying wing destroyed in crash

    The unmanned NASA aircraft that holds the world record for high-altitude flight without rocket propulsion recently broke up over the Pacific Ocean.

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  2. Tech

    Shining True: Marking original documents with a lick of gloss

    Scientists have a new way of making forgery-proof documents by using laser color printers to embed hologramlike images in a document’s glossy surface.

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  3. Computing

    Resistance leaps as magnetism mounts

    A tiny traffic island for electrons promises to serve as an extraordinarily sensitive detector of magnetic fields.

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  4. Tech

    Robots making robots, with some help

    A new type of robotic system that designs and produces robotic offspring may represent a first step toward self-replicating "artificial life."

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  5. Computing

    Going to digital extremes

    A researcher designs the ultimate laptop, stretching the laws of physics to their limits to achieve blazing computation rates.

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  6. Tech

    Device ups hydrogen energy from sunlight

    A solar-electric cell that stands above an acid bath on electrode legs has converted light to hydrogen fuel with unprecedented efficiency.

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  7. Computing

    Computer Game Art and History

    Curious about early video games or recent developments in game technology? This Web site accompanies the “Game On” exhibition, developed by the Barbicon Gallery and the National Museums of Scotland. An exhibition guide briefly explains what the various displays include. The education section offers tips for creating a video game as a classroom project. The […]

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  8. Tech

    Press ‘n’ Peel Lasers: Coaxing light beams out of cheap plastic

    Researchers have devised a way to imprint lasers in plastic—an achievement that may one day lead to ultracheap lasers mass-produced like poker chips.

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  9. Tech

    Counting calories on the road

    People are programmed to spend about the same number of calories per day—roughly the energy of one hot dog—on daily travel, according to new analysis of British transportation statistics.

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  10. Tech

    Soft blow hardens Columbia-disaster theory

    By blasting a gaping hole in a shuttle wing with a block of foam fired from a gun, a NASA investigative team appears to have confirmed the leading theory of what caused the Feb. 1 destruction of the space shuttle Columbia.

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  11. Tech

    Giving solar cells the rough treatment

    A new solar cell design that traps photons in the crevices of a bumpy surface uses low-cost materials and may make these cells more commercially appealing.

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  12. Tech

    Making machines from genes

    A novel machine made from DNA also uses DNA as its fuel.

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