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General Physics news

A new experiment to understand dark matter

Is dark matter a source of a yet unknown force in addition to gravity? The mysterious dark matter is little understood and trying to understand its properties is an important challenge in modern physics and astrophysics. ...

dateJun 15, 2018 in General Physics
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Tracking energy flow in large molecules

Absorption of light energy by large molecules is what drives nature: photosynthesis, vision, the synthesis of vitamin D and many other critical processes use light energy to perform their functions.

dateJun 13, 2018 in General Physics
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A surprising twist on skyrmions

Vortex structures are common in nature, reaching from swirls in our morning coffee to spiral galaxies in the universe. Vortices are been best known from fluid dynamics. Take the example of a tornado. Air circulates around ...

dateJun 12, 2018 in General Physics
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Making quantum puddles

A team of physicists at the University of Vermont have discovered a fundamentally new way surfaces can get wet. Their study may allow scientists to create the thinnest films of liquid ever made—and engineer a new class ...

dateJun 12, 2018 in General Physics
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KATRIN experiment investigates neutrino mass

Neutrinos are everywhere, and yet their presence is rarely felt. Scientists have assumed for decades that, because they interact so little with matter, neutrinos must lack any measurable mass. But recent experiments have ...

dateJun 12, 2018 in General Physics
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Vorticity regulates waves in fluids

A study by Politecnico di Torino published in the journal Physical Review E demonstrates that a wave in a fluid requires amplified vorticity and not only amplified energy in order to change the nature of the flow

dateJun 11, 2018 in General Physics
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Hidden magnetism appears under hidden symmetry

Sometimes a good theory just needs to right materials to make it work. That's the case with recent findings by UT's physicists and their colleagues, who designed a two-dimensional magnetic system that points to the possibility ...

New tools reveal prelude to chaos

Picture a herd of sheep or cattle emerging from a shed or barn to graze a field. They head straight out of their digs to the pleasure of the pasture pretty much as one entity, but as the land opens up and the "grass gets ...

Cosmic voids and galaxy clusters could upend Einstein

It will be possible to use new astronomical mappings of hundreds of thousands of cosmic voids and galaxy clusters to test Einstein's theory of relativity by looking for small deviations in gravity at vast distances – a ...

New algorithm enhances ptychographic image reconstruction

An international team of researchers that includes scientists from Berkeley Lab's Computational Research Division (CRD) and Center for Advanced Mathematics for Energy Research Applications (CAMERA) continues to find new ways ...

Who gets their mass from the Higgs?

The Higgs field is like an endless ocean through which all matter swims. Some particles are like sponges and sop up mass as they lumber along, while others are as sprightly as tiny minnows and dart right through.

Research could lead to more efficient electronics

A Rutgers-led team of physicists has demonstrated a way to conduct electricity between transistors without energy loss, opening the door to low-power electronics and, potentially, quantum computing that would be far faster ...

Thermal spin currents confirmed in both space and time

Electrons possess their own angular momentum. They turn on their own axis. In physics, the technical term for this property is spin. Such an electron spin is what makes electrons behave as magnets. However, what is special ...

Simulating turbulent bubbly flows in nuclear reactors

Inside nuclear reactors, boiling water, bubbles, and turbulent flows affect safety and efficiency. For many years, modeling turbulent bubbly flows was a challenging, time-consuming problem. Researchers were largely limited ...

Checking China's pollution by satellite
Coral reef 'oases' offer glimmer of hope
Marine reserves are vital—but under pressure
Organic crystals twist, bend, and heal
Rewiring plant defence genes to reduce crop waste
Electrical wire properties of DNA linked to cancer
In the gaping mouth of ancient crocodiles

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