Uncategorized

  1. Astronomy

    Sharpening a Heavenly Image: Clear view of globular cluster’s crowded core

    Using innovative optics to take the twinkle out of starlight, the Gemini North Telescope on Hawaii's Mauna Kea has recorded the sharpest infrared images ever of a crowded grouping of Milky Way stars.

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  2. Materials Science

    Fixed Focus: Adjustable lenses from liquid droplets

    Seasoned with a pinch of salt, droplets of a polymer precursor become voltage-adjustable lenses that may cut costs in fiberoptic telecommunications.

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  3. Lease on Life: Old mice live longer when given young ovaries

    Implanting young ovaries in old mice extends their life expectancy.

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  4. Materials Science

    Super Fibers: Nanotubes make tough threads

    New fibers made from carbon nanotubes and a polymer appear tougher than any other known synthetic or natural material.