Quantum
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The flow of time isn’t as consistent as we might think – gravity slows it down, so clocks on Earth tick slower than those in space. Now researchers have measured time passing at different speeds across just one millimeter, the smallest distance yet.
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Random numbers are crucial for computing, but our current algorithms aren’t truly random. Researchers at Brown University have now found a way to tap into the fluctuations of skyrmions to generate millions of truly random numbers per second.
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Three teams of scientists have achieved a major milestone in quantum computing. All three groups demonstrated better than 99 percent accuracy in silicon-based quantum devices, paving the way for practical, scalable, error-free quantum computers.
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For quantum batteries, the bigger the battery, the faster it charges. For the first time, team of scientists has now demonstrated the quantum mechanical principle of superabsorption that underpins quantum batteries in a proof-of-concept device.
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The universe is governed by two sets of seemingly incompatible laws of physics – classical and quantum physics. MIT physicists have now observed the moment atoms switch from one to the other, as they form intriguing “quantum tornadoes.”
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An exotic state of matter originally hypothesized almost 50 years ago has been observed for the first time. Created by Harvard researchers, this material called quantum spin liquid could eventually help improve quantum computers.
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Quantum computers are so far held back by their complexity. Engineers at Stanford have now demonstrated a new relatively simple design for a quantum computer where a single atom is entangled with a series of photons to process and store information.
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A University of Sussex study has demonstrated how a new type of quantum sensor could help doctors catch neurodegenerative diseases like Alzheimer’s earlier. The scanners precisely detect tiny changes in magnetic fields produced by firing neurons.
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IBM has unveiled the Eagle, the world’s most powerful quantum processor. Boasting 127 quantum bits (qubits), the Eagle is a major step towards commercial quantum computers outperforming traditional machines.
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For now, quantum computers are mostly limited to labs and big experimental setups. But Japanese researchers have now made a step towards more accessible quantum computing devices, finding a way to “twist” light at room temperature.
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Quantum computers could one day outperform traditional machines, but hurdles remain. Now physicists have successfully entangled three silicon quantum dots for the first time, in a breakthrough that could help make quantum computers more practical.
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There are many exotic states of matter besides the basics of solid, liquid, gas and plasma. One of these, known as a supersolid, was confirmed a few years ago, and now University of Innsbruck scientists have created it in a new two-dimensional form.
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