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Topological quantities flow

Topology is an emerging field within many scientific disciplines, even leading to a Nobel Physics Prize in 2016. Leiden physicist Marcello Caio and his colleagues have now discovered the existence of topological currents ...

dateJan 14, 2019 in General Physics
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Spintronics 'miracle material' put to the test

When German mineralogist Gustav Rose stood on the slopes of Russia's Ural Mountains in 1839 and picked up a piece of a previously undiscovered mineral, he had never heard of transistors or diodes or had any concept of how ...

dateJan 10, 2019 in General Physics
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Delayed adaptation favors coexistence

Soil bacteria must be able to adapt to varying environmental conditions. – But a new study by LMU researchers indicates that rapid adaptation can be counterproductive, while delayed adjustment facilitates coexistence of ...

Neutrinos become less and less mysterious

The authors of a study published in Physical Review D have shown that coherent neutrino scattering with nuclei provides a novel way to measure the neutrino charge radii. This interaction was theoretically predicted more ...

Controllable fast, tiny magnetic bits

For many modern technical applications, such as superconducting wires for magnetic resonance imaging, engineers want as much as possible to get rid of electrical resistance and its accompanying production of heat.

A model for describing the hydrodynamics of crowds

Precise simulations of the movement and behavior of crowds can be vital to the production of digital sequences or the creation of large structures for crowd management. However, the ability to quantitatively predict the collective ...

Innovative magnets for new energy-recovery accelerator

When it comes to particle accelerators, magnets are one key to success. Powerful magnetic fields keep particle beams "on track" as they're ramped up to higher energy, crashed into collisions for physics experiments, or delivered ...

Our universe: An expanding bubble in an extra dimension

Uppsala University researchers have devised a new model for the universe – one that may solve the enigma of dark energy. Their new article, published in Physical Review Letters, proposes a new structural concept, including ...

Nucleus-specific X-ray stain for 3-D virtual histology

Histology is used to identify structural details of tissue at the microscale in the pathology lab, but analyses remain two-dimensional (2D) as they are limited to the same plane. Nondestructive 3D technologies including X-ray ...

Cold atoms offer a glimpse of flat physics

These days, movies and video games render increasingly realistic 3-D images on 2-D screens, giving viewers the illusion of gazing into another world. For many physicists, though, keeping things flat is far more interesting.

The coolest experiment in the universe

What's the coldest place you can think of? Temperatures on a winter day in Antarctica dip as low as -120ºF (-85ºC). On the dark side of the Moon, they hit -280ºF (-173ºC). But inside NASA's Cold Atom Laboratory on the ...

How stem cells self-organize in the developing embryo
60 percent of coffee varieties face 'extinction risk'
Proteins use a lock and key system to bind to DNA
Understanding insulators with conducting edges
The pace at which the world's permafrost soils are warming
Sewers could help clean the atmosphere

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