Quantum entanglement, where two objects become intertwined and remain so no matter the distance that grows between them, is a tricky phenomenon to study let alone photograph. But scientists doing the former have now managed the latter, for the first time ever.
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Researchers have produced what may very well be the first pieces of art made using non-classical matter. The team has reproduced classic artworks like the Mona Lisa and Starry Night on a “quantum canvas” as small as a human hair, by projecting light onto Bose-Einstein condensates (BECs).
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If you throw a particle at a wall, there’s a chance that it will suddenly appear on the other side. This is thanks to a phenomenon known as quantum tunneling, and now a team of physicists has measured just how long that process takes.
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Practical quantum computers may be another step closer to reality, thanks again to graphene. The bits of information in quantum computers (qubits) can exist in two states at once, and now researchers have managed to record just how long that superposition state can last in a qubit made of graphene.
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The tractor beam is a long-time staple of sci-fi, but now Australian researchers have created a real-world version. While it won’t exactly be capturing enemy spaceships anytime soon, the device can use light to pull in and trap atoms, which may be handy for quantum communications or memory systems.
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Quantum entanglement is an eerie concept that Einstein himself had trouble accepting, and yet it’s been experimentally demonstrated. To find out whether there are other variables, a new experiment provides the strongest evidence so far of quantum entanglement or a 12-billion year “conspiracy."
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The fastest-spinning manmade object has been created in a lab at Purdue University. This microscopic rotor is made up of two silica nanoparticles stuck together to form a "dumbbell," and by hitting it with laser light the team has sent it spinning at a blistering 60 billion rpm.
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In a quantum network, information is passed instantly between nodes that have been entangled, and are unhackable since any unauthorized observation of the data will scramble it. Delft scientists have now overcome a hurdle to that technology, by generating quantum links faster than they deteriorate.
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Renowned physicist Stephen Hawking passed away earlier this year, but his legacy to science will live on. His final theory on the origin of the universe has now been published, and it offers an interesting departure from earlier ideas about the nature of the “multiverse.”
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Quantum entanglement is the idea that two distant atoms can become so entwined that changes to one can instantly affect the other. Now scientists have managed to demonstrate it on a much larger scale, which is beginning to cross over into our everyday world.
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