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Author(s): Philip Ball

A pair of satellites 200 km apart has demonstrated a record-high precision in distance determination, which will be useful for mapping out Earth’s gravitational field.


[Physics 12, 83] Published Fri Jul 19, 2019

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Using a laser, a high-speed detector, and an array of tiny movable mirrors, researchers can reconstruct an image of a hidden object in under a second.


[Physics] Published Thu Jul 18, 2019

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Nanomechanical resonators probe helium-4 at record low temperatures in a proof-of-concept experiment demonstrating the potential to explore fundamental properties of quantum fluids.


[Physics] Published Wed Jul 17, 2019

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The motion of hovering nanoparticles might reveal that quantum wave functions collapse spontaneously, but three common measurement methods are not ready for prime time.


[Physics] Published Tue Jul 16, 2019

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Author(s): Pierre Dubé

An aluminum ion clock has a fractional-frequency uncertainty of less than one part in 1018, a four-decades-long goal in precision.


[Physics 12, 79] Published Mon Jul 15, 2019

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Author(s): David Ehrenstein

Liquid droplets bouncing on a vibrating liquid surface can execute a surprising cycle, alternating between moving and standing still.


[Physics 12, 80] Published Fri Jul 12, 2019

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Physicists develop a theory to make the seemingly random, thermally driven motion of particles in fluids predictable.


[Physics] Published Thu Jul 11, 2019

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Author(s): Eric Armengaud

An interpretation of the black hole image taken by the Event Horizon Telescope hints of new constraints on the mass of dark matter.


[Physics 12, 78] Published Wed Jul 10, 2019

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3D-printed acoustic lenses can improve the performance of ultrasound beams targeting the brain by correcting for the effect of the skull.


[Physics] Published Wed Jul 10, 2019

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Using ideas from topological materials, researchers propose a way to quantize work.


[Physics] Published Tue Jul 09, 2019

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