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Quantum Physics

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Corona Australis

QUANTUM QUIRK  Scientists observed a bizarre effect of quantum physics in light from a nearby neutron star, located in the constellation of Corona Australis (above). Light from the star, too faint to be seen in the image above, is polarized due to interactions with the vacuum of space in a strong magnetic field.

HIP 2876

COSMIC BELL   Scientists used light from stars, including HIP 2876 (shown), to perform a cosmic Bell test, verifying the weird nature of quantum mechanics. The scientists used variations in the color of the light emitted from the star to randomly select measurement settings in the experiment.

Steven Weinberg

Nobel laureate Steven Weinberg, a physicist at the University of Texas at Austin, was once happy with quantum mechanics. But now he thinks that some more general theory may be needed to resolve long-standing disputes about the meaning of quantum mechanical math.

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