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Tag Archives: physicists

Physicists capture first footage of quantum knots unraveling in superfluid

Enlarge / Researchers captured the decay of a quantum knot (left), which after a few microseconds and finally turns into a spin vortex (right). Tuomas Ollikainen / Aalto University The same team who tied the first "quantum knots" in a superfluid several years ago have now discovered that the knots decay, or "untie" themselves, fairly soon after forming, before turning …

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Physicists irreversibly split photons by freezing them in a Bose-Einstein condensate

(from left) Frank Vewinger, Martin Weitz, David Dung, Erik Busley and Christian Kurtscheid in the laboratory of the Institute for Applied Physics of the University of Bonn. Credit: (c) Volker Lannert / Uni Bonn Light can be directed in different directions, usually in the same direction. However, the physicists at the University of Bonn and the University of Cologne have …

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Physicists can finally take a look at Schrodinger's cat without killing it forever

There could be a chance to reach a climax in Schrödinger's Cat – the famous cat-based thought experiment that describes the mysterious behavior of subatomic particles – without permanently killing the (hypothetical) animal. The unfortunate imaginary cat lives and lives dead in a box, or exists in a superposition of "dead" and "living" states just as subatomic particles coexist in …

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How to Discover a Wormhole – Physicists describe a technique for detecting spacetime bridges

In a theoretical study, physicists suggest using orbital disturbances near supermassive black holes to detect wormholes captivated the imagination of science fiction fans: wormholes, the one Forming passage between two separate regions of space-time. Such paths could connect one area of ​​our Universe with another time and / or place in our Universe, or with another Universe as a whole. …

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Physicists discover new stable form of plutonium

Oct. 18 (UPI) – Using the European Synchrotron, a team of physicists have identified a new stable form of plutonium. The new discovered compound is present in a state of emergency and unexpected pentavalent oxidation state. The discovery, this week in the Journal of Applied Chemistry International Edition, resulting in accident. Researchers originally set out to develop improved methods of …

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Physicists report a possibility to "hear" dark matter

Researchers propose a new instrument for the search for axions of dark matter using tunable plasmas. Picture credits: Alexander Millar / University of Stockholm Physicists from the University of Stockholm and the Max Planck Institute for Physics have turned to plasmas in a proposal that could revolutionize the search for the elusive dark matter. Dark matter accounts for 85 percent …

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Physicists solve mystery surrounding photon momentum

A photo of the COLTRIMS reaction microscope built by Alexander Hartung as part of his doctoral research in the experiment hall of the Faculty of Physics. Credit: Alexander Hartung              Albert Einstein received the Nobel Prize for explaining the photoelectric effect: in its most intuitive form, a single atom is irradiated with light. According to Einstein, photons that transfer only …

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Two physicists are planning where to park your car, Math said

Physicists Paul Krapivsky (Boston University) and Sidney Redner (Santa Fe Institute) decided to use mathematics to answer an age-old question: where to park your car? The criterion? To find the parking lot that minimizes the time spent on the property. LINK: THE RIEMANN HYPOTHESIS: A 160-YEAR-OLD MILLION DOLLAR MATHS PROBLEM Intelligent Decisions "Mathematics allows you to make smart decisions," said …

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Physicists at MIT shave the estimate of the mass of neutrino ghost particles in half

An international team of scientists, including researchers at MIT has come closer to establishing the mass of the elusive neutrino. These ghostly particles penetrate the universe and are still considered almost massless. They flow through our bodies millions of times and hardly leave any physical traces. The researchers have determined that the mass of the neutrino should not be more …

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