Thursday, June 17, 2021

The smallest quantum computer to date

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June 17, 2021&Bullet; physics 14, p73A trapped ion quantum computer that fits in two boxes, each the size of a studio shower, can create a fully entangled quantum state with 24 particles. ...

Pulsar halo evidence of slow diffusion of cosmic rays

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June 16, 2021&Bullet; physics 14, p77Observations by the LHAASO gamma-ray observatory show large differences in the speed with which charged particles propagate through the Milky Way. Our galaxy is a turbulent place...

Cantilever experiments update thermal noise description

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June 15, 2021&Bullet; physics 14, p76Several sources of mechanical dissipation appear to explain why a cantilever exposed to an extreme temperature gradient has less thermal noise than theory predicts. L. Bellon /...

UNESCO report summarizes five-year global trends in science policy

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From: Hannah Pell On June 11, 2021, UNESCO (United Nations Education, Science and Culture Organization) published a report entitled “The Race Against Time for Smarter Development”. This report consolidates a peak of research...

When the disorder is just right

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Philip W. PhillipsPhysics Department, University of Illinois at Urbana-Champaign, Urbana, IL, USAJune 14, 2021&Bullet; physics 14, 88A new model suggests that disorder can be a critical component in generating non-Fermi-liquid behavior in...

2 + 2 is not always 4

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https://www.youtube.com/watch?v=0WPY5cfOOIM 2 plus 2 equals 5 is the paradigmatic example of an obvious falsehood, a falsehood that everyone knows is wrong. Because 2 plus 2 is equal to 1. Right? By the...

Surface effect contributes to the surprising strength of small structures

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June 11, 2021&Bullet; physics 14, 87Experiments in which cubes were compressed with gold nanowires suggest that a previously overlooked feature could explain the surprising strength of tiny objects. Cereals in abundance. ...

An optical system defies conventional tape theory

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June 10, 2021&Bullet; physics 14, p70Squeezed wave functions reshape the bulk boundary properties of an open quantum system and create a new class of parity-time symmetry. Quantum systems that obey parity-time symmetry...

An efficient method for predicting the water phases

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June 9, 2021&Bullet; physics 14, p67A machine learning technique maps the phase space of water as reliably as the gold standard from the beginning Calculations, but at a much lower computational cost. ...

Robo-Fish replicates real swimming action

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June 8, 2021&Bullet; physics 14, p69A robotic fish, triggered to swim in the same way as real fish, could help researchers test predictions about these underwater creatures under well-controlled conditions. J. Sánchez-Rodríguez et...
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