Tech

  1. Tech

    Hearing implant knows where it goes

    A new type of cochlear implant includes sensors whose signals may help surgeons insert the device more deeply into the inner ear and so provide better hearing.

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  2. Tech

    Facing a hairy electronics problem

    Investigating why kinky metal filaments sprout spontaneously on electronic- circuit cards, researchers have found that the way metal films have been electroplated onto the surface in the first place plays a lingering role.

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  3. Tech

    Narrow Escape: Sharp nanogutters hustle out wetness

    Nanochannels with sharply tapered edges can dramatically boost fluid flow rates and potentially play a role in improved microchip cooling, fabrics to wick away perspiration, and other uses.

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  4. Tech

    Nanotubes spring eternal

    Researchers have discovered that forests of carbon nanotubes squish and expand like foams, but with extraordinary resilience.

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  5. Computing

    The Risky Business of Spreadsheet Errors

    Faulty spreadsheets and poor software practices can put businesses at risk.

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  6. Tech

    Reaction in Hand: Microreactor produces radioactive probe in a jiffy

    A miniature chemical reactor that whips up a diagnostic tool could widen the availability of positron-emission tomography (PET) scans.

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  7. Tech

    Sweets spur biodiesel reaction

    A Japanese research team has made an environmentally friendly biodiesel catalyst from charred sugars.

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  8. Computing

    Network Inoculation: Antivirus shield would outrace cyber infections

    As a new way to protect a computer network from viruses, an epidemic of antiviral protection could theoretically propagate faster through the network than the virus itself, thanks to a novel topological twist.

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  9. Tech

    Hidden in Disorder: Chaos-encrypted information goes the distance

    Scientists have demonstrated that a message encrypted in a chaotic laser signal can be transmitted more than 100 kilometers through a commercial optical-fiber network.

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  10. Tech

    Muck Tech: Natural enzyme displaces precious metal in fuel cell

    A prototype fuel cell uses an enzyme from a soil microbe to generate electricity from hydrogen rather than from rare and expensive metal catalysts such as platinum.

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  11. Tech

    Ghost Town Busters

    Facing the threat of a radioactive mess from a dirty bomb, government and industry labs are creating novel cleaning agents and fixatives to aid rescue operations and speed restoration of contaminated zones.

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  12. Tech

    Bionic Bacteria: Gold nanoparticles make gadgets of living microbes

    Researchers have created an electromechanical device out of living microbes.

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