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Showing papers in "Physics Today in 2019"


Journal ArticleDOI

277 citations


Journal ArticleDOI
TL;DR: New mathematical approaches have extended physicists' understanding of magnets, superfluids, and other complex systems as mentioned in this paper, which has led to a new understanding of the properties of complex systems. But these approaches have their own drawbacks.
Abstract: New mathematical approaches have extended physicists’ understanding of magnets, superfluids, and other complex systems.

213 citations


Journal ArticleDOI
TL;DR: The marriage of the two fields may give birth to a new research frontier that could transform them both and inspire new ideas in medicine and science.
Abstract: The marriage of the two fields may give birth to a new research frontier that could transform them both.

121 citations


Journal ArticleDOI
TL;DR: In this paper, an array of electrically and magnetically controllable electron spin qubits can be fabricated on silicon wafers, which can then be used for electron-spin qubits.
Abstract: Arrays of electrically and magnetically controllable electron-spin qubits can be lithographically fabricated on silicon wafers.

95 citations


Journal ArticleDOI
TL;DR: The motion underlying contact interactions that are vital for biology has farther-reaching implications than previously thought.
Abstract: The motion underlying contact interactions that are vital for biology has farther-reaching implications than previously thought.

52 citations


Journal ArticleDOI
TL;DR: This simulation shows how different combinations of laser beams can make neutral atoms behave like electrons in a magnetic field and how these combinations can be modified to improve the quality of the simulation.
Abstract: Suitable combinations of laser beams can make neutral atoms behave like electrons in a magnetic field.

40 citations


Journal ArticleDOI
TL;DR: In this paper, a new class of quantum mechanical liquids is stabilized by an elegant mechanism that allows them to exist despite being orders of magnitude thinner than air, and they are stabilized by a set of quantum mechanics.
Abstract: A new class of quantum mechanical liquids is stabilized by an elegant mechanism that allows them to exist despite being orders of magnitude thinner than air.

39 citations


Journal ArticleDOI
TL;DR: In this article, a simple principle relating growth to lateral water transport explains the variety of self-organized vegetation patchiness, and a simple growth-to-water transport model is proposed.
Abstract: A simple principle relating growth to lateral water transport explains the variety of self-organized vegetation patchiness.

32 citations


Journal ArticleDOI
TL;DR: In this paper, a diverse subject that crosses the boundaries of physics, chemistry, and materials science, continues to surprise with its rich phenomena, including soft matter, a subject that is cross-disciplinary in nature.
Abstract: Soft matter, a diverse subject that crosses the boundaries of physics, chemistry, and materials science, continues to surprise with its rich phenomena.

31 citations


Journal ArticleDOI
TL;DR: Watery air bubbles covered with bacteria or viruses can live far longer than uncontaminated ones and on bursting, they spawn orders of magnitude more droplets, each one a microbial grenade.
Abstract: Watery air bubbles covered with bacteria or viruses can live far longer than uncontaminated ones. And on bursting, they spawn orders of magnitude more droplets, each one a microbial grenade.

28 citations


Journal ArticleDOI
TL;DR: The latest advances in superconductors have emerged from the close coupling of theoretical predictions and high-pressure experiments as mentioned in this paper, and they were largely serendipitous, whereas previous discoveries of superconductor were largely opportunistic.
Abstract: Whereas previous discoveries of superconductors were largely serendipitous, the latest advances have emerged from the close coupling of theoretical predictions and high-pressure experiments.

Journal ArticleDOI
TL;DR: On Earth and on other planets, internal gravity waves shape the dynamics and thermodynamics of the atmosphere as mentioned in this paper, and the internal gravity wave shapes the dynamics of the Earth's atmosphere.
Abstract: On Earth and on other planets, internal gravity waves shape the dynamics and thermodynamics of the atmosphere.

Journal ArticleDOI
TL;DR: Despite a length-scale difference of 18 orders of magnitude, the internal structure of neutron stars and the spatial distribution of neutrons in atomic nuclei are profoundly connected as mentioned in this paper, despite the difference in size.
Abstract: Despite a length-scale difference of 18 orders of magnitude, the internal structure of neutron stars and the spatial distribution of neutrons in atomic nuclei are profoundly connected.

Journal ArticleDOI
TL;DR: The flows inside cells are intricate and often counterintuitive as discussed by the authors, and measurements, models, and simulations are helping to unravel the complexities of the complex flow inside cells, and they can be found in the literature.
Abstract: The flows inside cells are intricate and often counterintuitive. Measurements, models, and simulations are helping to unravel the complexities.


Journal ArticleDOI
TL;DR: In this paper, self-propelled particles could be used to clean up wastewater or deliver drugs in the body, which could one day be used for delivery of drugs in humans.
Abstract: Microscopic self-propelled particles could one day be used to clean up wastewater or deliver drugs in the body.

Journal ArticleDOI
TL;DR: Answers to open questions that will be addressed by the ITER experiment should enable the production of fusion energy as mentioned in this paper, which is the goal of this paper. But this is not the case in practice.
Abstract: Answers to open questions that will be addressed by the ITER experiment should enable the production of fusion energy.

Journal ArticleDOI
TL;DR: The history and current structure of the universe can be traced to the interactions between plasmas, galaxies, and dark matter as mentioned in this paper, which have shaped the history and the current structure.
Abstract: Tempestuous interactions between plasmas, galaxies, and dark matter have shaped the history and current structure of the universe.

Journal ArticleDOI
TL;DR: Quantum architects, with knowledge of both physics and computer engineering, are key to developing scalable quantum computers.
Abstract: Quantum architects, with knowledge of both physics and computer engineering, are key to developing scalable quantum computers.

Journal ArticleDOI
TL;DR: This month marks the 50th anniversary of the Apollo 11 Moon landing as discussed by the authors, and the six Apollo landings laid the foundation for modern planetary science, and they are often referred to as the "six moon landings."
Abstract: This month marks the 50th anniversary of the Apollo 11 Moon landing. Together, the six Apollo landings laid the foundation for modern planetary science.

Journal ArticleDOI
TL;DR: The waves responsible for transporting energy in the ocean and atmosphere are not solely a product of the combined forces of winds, tides, and mountains as discussed by the authors, but rather are a combination of different forces.
Abstract: The waves responsible for transporting energy in the ocean and atmosphere are not solely a product of the combined forces of winds, tides, and mountains.

Journal ArticleDOI
TL;DR: In this paper, alternative formats for sharing information and facilitating discussion help scientists lower their carbon footprints, which can help reduce the carbon footprint of the world's carbon footprint and reduce carbon emissions.
Abstract: Alternative formats for sharing information and facilitating discussion help scientists lower their carbon footprints.

Journal ArticleDOI
TL;DR: The authors worked with ultra-intense laser pulses and found that these optical elements are what they needed to work with ultraintense LIDAR pulses and achieved state-of-the-art performance.
Abstract: Working with ultra-intense laser pulses? These optical elements are what you need.Working with ultra-intense laser pulses? These optical elements are what you need.

Journal ArticleDOI
TL;DR: Microwave cavity experiments make a quantum leap in the search for the dark matter of the universe as mentioned in this paper, and the results of these experiments have been used for the first time.
Abstract: Microwave cavity experiments make a quantum leap in the search for the dark matter of the universe.

Journal ArticleDOI
TL;DR: Subnanometer metal clusters offer catalytic properties not possible on bulk or nanoparticle metals as discussed by the authors, and they can be used to create catalytic catalysts not available on bulk and nanoparticles.
Abstract: Subnanometer metal clusters offer catalytic properties not possible on bulk or nanoparticle metals.

Journal ArticleDOI
TL;DR: The ability to mark, modify, or regulate specific sequences of DNA in a controlled fashion is of key importance because of the ways that gene editing could be used to improve human life.
Abstract: Since the discovery of the DNA double helix, the main molecular repository of genetic information, scientists have been struggling to find ways to efficiently manipulate genes. The ability to mark, modify, or regulate specific sequences of DNA in a controlled fashion is of key importance because of the ways that gene editing could be used to improve human life. For example, genetic therapies are being developed to permanently cure cancer and other life-threatening diseases.

Journal ArticleDOI
TL;DR: Researchers seek government help in addressing supply shortage as prices are expected to continue soaring as mentioned in this paper, and they seek government assistance to address supply shortage in the field of biomedical data analysis and data visualization.
Abstract: Researchers seek government help in addressing supply shortage as prices are expected to continue soaring.

Journal ArticleDOI
TL;DR: The discovery of γ-ray emission from novae has been used not only to better understand sudden brightening events but also to answer some old questions and raise new ones as discussed by the authors.
Abstract: The discovery of γ-ray emission from novae has been used not only to better understand sudden brightening events but also to answer some old questions and raise new ones.

Journal ArticleDOI
TL;DR: More advanced estimates of atmospheric conditions depend on merging the knowledge gained from humans and computers, as well as on the computer models used to estimate these conditions.
Abstract: More advanced estimates of atmospheric conditions depend on merging the knowledge gained from humans and computers.

Journal ArticleDOI
TL;DR: In this article, the discovery at a new wavelength reveals ancient galaxies in higher numbers than observed previously or predicted, and the number of galaxies is higher than previously observed or even predicted.
Abstract: Detection at a new wavelength reveals ancient galaxies in higher numbers than observed previously or predicted.