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matthew r. francis

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    The Inside of a Neutron Star Looks Spookily Familiar

    Exotic ultra-compressed matter can look like pasta, among other things.

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    How To Clock a Glacier

    Portable slow-light technology could measure the speed of glaciers in real time.

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    What’s 250 Million Light-Years Big, Almost Empty, and Full of Answers?

    Astronomers are using new tools in their search for cosmic voids.