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, a phenomenon where objects can be some distance apart but still linked together. The best-known examples of entanglement involve tiny chunks of light , and low energies.
The two objects form a single system, even though there is nothing connecting them together. This has been shown to work with photons on opposite sides of a city. That part of the story is science fiction: entanglement doesn't really allow you to send signals faster than light. The new development from Geneva is that entanglement has been seen in pairs of particles called top quarks, where there are vast amounts of energy in a very small space.Matter is made of molecules; molecules are made of atoms; and an atom is made of light particles called electrons orbiting a heavy nucleus in the centre, like the Sun in the centre of the solar system. We already knew this from experiments by about 1911.
The fifth quark, the"beauty" or"bottom" quark, is about four-and-a-half times heavier than a proton, and when we found it we thought it was very heavy. But the sixth and final quark, the"top", is a monster: slightly heavier than a tungsten atom, and 184 times the mass of a proton.. The top quark is an object of intense study at the Large Hadron Collider, for exactly this reason.
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Researcher explores how you can stretch your mind to grasp quantum entanglementMy new article, 'Quantum Entanglement of Optical Photons: The First Experiment, 1964–67,' is intended to convey the spirit of a small research project that reaches into uncharted territory.
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Physicists ease path to entanglement for quantum sensingNothing in science can be achieved or understood without measurement. Today, thanks to advances in quantum sensing, scientists can measure things that were once impossible to even imagine: vibrations of atoms, properties of individual photons, fluctuations associated with gravitational waves.
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Physicists ease path to entanglement for quantum sensingA quantum mechanical trick called 'spin squeezing' is widely recognized to hold promise for supercharging the capabilities of the world's most precise quantum sensors, but it's been notoriously difficult to achieve. In new research, physicists describe how they've put spin squeezing within better reach.
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LHC experiments observe quantum entanglement at the highest energy yetQuantum entanglement is a fascinating feature of quantum physics—the theory of the very small. If two particles are quantum-entangled, the state of one particle is tied to that of the other, no matter how far apart the particles are.
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The Large Hadron Collider exposes quarks’ quantum entanglementTop quarks and antiquarks produced in the Large Hadron Collider are entangled, a study shows.
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