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131 Current news about the topic vacuum

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Revealing the secret of the vacuum for the first time

20-Mar-2019

For most people, a vacuum is an empty space. Quantum physics, on the other hand, assumes that even in this lowest-energy state, particles and antiparticles still fluctuate. This is an assumption for which no clear evidence has been provided as yet. A new research group at the University of Jena ...

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Keep in touch, use the vacuum! How mirrors can control physics and chemistry

14-Feb-2019

Hamburg scientists’ theory of polaritonically amplified energy transfer over long distances between molecules paves the way for a new level of chemical engineering and ‘spooky chemistry’. Scientists from the Theory Department of the Max Planck Institute for the Structure and Dynamics of Matter ...

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Developing new materials for the fusion reactor

Success in developing vanadium alloys strong at high temperatures

11-Dec-2018

In the future fusion reactor, plasma is confined by using the magnetic field inside the doughnut-shaped vacuum vessel. The blanket is in a location where it almost touches the plasma, and as if to enfold the plasma the blanket is placed on the inner surface of the vacuum chamber. The blanket, by ...

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The force of the vacuum

Scientists’ theory of polaritonically amplified electron lattice interaction reveals new material design possibilities

07-Dec-2018

Scientists from the Theory Department of the Max Planck Institute for the Structure and Dynamics of Matter (MPSD) at the Center for Free-Electron Laser Science (CFEL) in Hamburg have shown through theoretical calculations and computer simulations that the force between electrons and lattice ...

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A new way to measure nearly nothing

Prototype design uses ultracold trapped atoms to measure pressure

23-Oct-2018

Many semiconductor fabricators and research labs are under increasing pressure from, of all things, vacuum. These facilities need to remove greater amounts of gas molecules and particles from their setups as new technologies and processes demand lower and lower pressures. For example, the vacuum ...

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Breaking the bond: To take part or not?

10-Jul-2018

Physicists working with Roland Wester at the University of Innsbruck have investigated if and how chemical reactions can be influenced by targeted vibrational excitation of the reactants. They were able to demonstrate that excitation with a laser beam does not affect the efficiency of a chemical ...

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Filling lithium-ion cells faster

Neutrons pave the way to accelerated production of lithium-ion cells

22-Mar-2018

Developers from Bosch and scientists at the Technical University of Munich (TUM) are using neutrons to analyze the filling of lithium ion batteries for hybrid cars with electrolytes. Their experiments show that electrodes are wetted twice as fast in a vacuum as under normal pressure. One of the ...

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Stacking on the graphene

14-Feb-2018

Researchers in Japan have found a way to form two materials, each made of three layers of graphene. Each material's graphene is stacked differently and has unique electrical properties. Their work has implications for the development of novel electronic devices, such as photo sensors that convert ...

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Lithium oxide on tokamak walls can improve plasma performance

23-May-2017

Lithium compounds improve plasma performance in fusion devices just as well as pure lithium does, a team of physicists at the U.S. Department of Energy's (DOE) Princeton Plasma Physics Laboratory (PPPL) has found. The research was conducted by former Princeton University physics graduate student ...

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Strange forces acting on nanoparticles discovered

12-Apr-2017

A new scientific paper published, in part, by a University of New Mexico physicist is shedding light on a strange force impacting particles at the smallest level of the material world. The discovery was made by an international team of researchers lead by UNM Assistant Professor Alejandro ...

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