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Physics/Chemistry News
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Today's physics/chemistry headlines from the sources selected by our team:
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New charging method could greatly reduce battery recharge time
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(PhysOrg.com) -- Part of the headache of having to constantly recharge batteries is not just how often they need to be charged, but also the time it takes to charge them. In a new study, researchers have proposed a charging method that could greatly reduce the charging time of lithium-ion batteries, which are used in everything from electronic devices to electric vehicles. The new method uses an additional oscillating electric field (besides the charging field) that should be capable of charging a lithium-ion battery in a fraction of the time compared with traditional methods.
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Can we detect quantum behaviour in viruses?
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(PhysOrg.com) -- The weird world of quantum mechanics describes the strange, often contradictory, behaviour of small inanimate objects such as atoms. Researchers have now started looking for ways to detect quantum properties in more complex and larger entities, possibly even living organisms.
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Study validates general relativity on cosmic scale, existence of dark matter
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(PhysOrg.com) -- An analysis of more than 70,000 galaxies by University of California, Berkeley, University of Zurich and Princeton University physicists demonstrates that the universe - at least up to a distance of 3.5 billion light years from Earth - plays by the rules set out 95 years ago by Albert Einstein in his General Theory of Relativity.
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Large Hadron Collider set for high speed bash by early April: CERN
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The world's most powerful atom smasher will be brought up to unprecedented power by early April, the European Organisation for Nuclear Research said on Wednesday.
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Physicists take atoms for a quantum walk
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A team of physicists has achieved a quantum walk in a quantum system with up to 23 steps. It is the first time that this quantum process using trapped ions has been demonstrated in detail. This latest advance promises to be important for the development of quantum computers in finding search quantum algorithms that outperform their classical counterparts as different directions could be chosen simultaneously.
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Can we detect quantum behavior in viruses?
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Scientists are using the principles of an iconic quantum mechanics thought experiment -- Schrödinger's superpositioned cat -- to test for quantum properties in objects composed of as many as one billion atoms, possibly including the flu virus.
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Physicists build basic quantum computing circuit
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Exerting delicate control over a pair of atoms within a mere seven-millionths-of-a-second window of opportunity, physicists created an atomic circuit that may help quantum computing become a reality.
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Quantum dots spotlight DNA-repair proteins in motion
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Repair proteins appear to efficiently scan the genome for errors by jumping like fleas between DNA molecules, sliding along the strands, and perhaps pausing at suspicious spots, say researchers who tagged the proteins with quantum dots to watch the action unfold.
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Galaxy study validates general relativity on cosmic scale, existence of dark matter
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While general relativity describes well the behavior of the solar system, Einstein's theory of gravity and spacetime has not been tested on cosmological scales. Now, a team has analyzed data on 70,000 galaxies to show that the theory is so far the best description of the universe, at least out to 3.5 billion light years from Earth. Specifically, theories without dark matter do not fit the observations.
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GREAT RED SPOT NOT AS GREAT
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GREAT RED SPOT NOT AS GREAT The hurricanes that visit the Gulf and Caribbean in September and even the huge jetstream that dominates winter weath. . .
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