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  1. Physics

    Turning magnetic resonance inside out

    A new method of manipulating magnetic signals makes it possible to gather useful information about a chemical sample—or perhaps one day a person—without often-claustrophobic confinement inside a magnetic coil.

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  2. Physics

    Quantum queerness gets quick, compact

    New ways to trap and cool atoms may hasten practical uses of strange ultracold atom clouds known as Bose-Einstein condensates.

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  3. Astronomy

    When Galaxies Collide

    Dramatic images from the largest computer simulation ever of a plausible collision between the Milky Way and Andromeda galaxies highlight this report from the National Partnership for Advanced Computational Infrastructure and the San Diego Supercomputer Center. Astrophysicist John Dubinski describes the science underlying the computations.