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Topping off a telescope with new tools to explore dark energy

    From Berkeley Lab, Dec. 4, 2018: Key components of Berkeley Lab’s Dark Energy Spectroscopic Instrument are installed after months of planning, prep work. A team at Fermilab built the corrector, hexapod, and other top-end support structures. The structures are designed to align the lenses with an accuracy of tens of microns (millionths of a meter) – similar to the width of the thinnest human hair.

    A controversial sighting of dark matter is looking even shakier

      From Science News, Dec. 5, 2018: The COSINE-100 searched for particles using the same type of detector as another experiment, whose researchers said they had strong evidence that dark matter was interacting in their detector. COSINE-100 found no evidence of the evasive subatomic particles. Fermilab scientist Dan Hooper comments on COSINE-100’s findings.