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How did the universe come into being? There are a multitude of theories on this subject. In a Physical Review Letters paper, three scientists formulate a new model: according to this, inflation, the first, very rapid expansion of the universe, would have taken place in a warm environment consisting of known elementary particles. Go to […] Record-breaking quantum key distribution transmission distance achieved alongside classical channelsQuantum key distribution (QKD) harnesses the power of quantum mechanics to securely transmit confidential information. When an outside source eavesdrops on a QKD transmission, the quantum states are affected. This dependably alerts the receiver and sender that the transmission is no longer secure. Go to Source Smart glasses that display information directly in the field of vision are considered a key technology of the future—but until now, their use has often failed due to cumbersome technology. However, efficient light-emitting pixels are ruled out by classical optics if their size is reduced to the wavelength of the emitted light. Go to Source […] Unifying gravity and quantum theory remains a significant goal in modern physics. Despite the success in unifying all other fundamental interactions (electromagnetism, strong force and weak force) with quantum mechanics and many attempts at explaining a “quantum gravity,” scientists are still coming up short. Still, some believe we are getting closer to determining whether these […] Deep under a mountain in Italy, researchers continue to push the boundaries of science with an experiment that could rewrite the Standard Model of Particle Physics. Go to Source Superconductivity and quantum computing are two fields that have seeped from theoretical circles into popular consciousness. The 2025 Nobel Prize in physics was awarded for work in superconducting quantum circuits that could drive ultra-powerful computers. But what may be less well known is that these promising technologies are often possible only at cryogenic temperatures—near absolute […] University of Queensland researchers have created a microscopic “ocean” on a silicon chip to miniaturize the study of wave dynamics. The device, made at UQ’s School of Mathematics and Physics, uses a layer of superfluid helium only a few millionths of a millimeter thick on a chip smaller than a grain of rice. Go to […] Physicists at MIT have developed a new way to probe inside an atom’s nucleus, using the atom’s own electrons as “messengers” within a molecule. Go to Source Bose-Einstein condensates (BECs) are fascinating states of matter that emerge when atoms or molecules are cooled to extremely low temperatures just slightly above absolute zero (0 K). In 2023, physicists at Columbia University realized BECs comprised of ultracold molecules for the very first time. Go to Source Researchers have for the first time created a reconfigurable polariton 2D quasicrystal. The team from the Skolkovo Institute of Science and Technology (Skoltech), in collaboration with colleagues from the University of Iceland, the University of Warsaw, and the Institute of Spectroscopy of the Russian Academy of Sciences, demonstrated that this unique state of matter exhibits […] A supersolid is a paradoxical state of matter—it is rigid like a crystal but flows without friction like a superfluid. This exotic form of quantum matter has only recently been realized in dipolar quantum gases. Go to Source You can’t have gold until a nucleus decays. The specifics of that process have been hard to pin down, but UT’s nuclear physicists have published three discoveries in one paper explaining key details. The results can help scientists come up with new models to describe the stellar processes that give us heavy elements, as well […] If you think of a single atom as a grain of sand, then a wavelength of visible light—which is a thousand times larger than the atom’s width—is comparable to an ocean wave. The light wave can dwarf an atom, missing it entirely as it passes by. This gulf in size has long made it impossible […] As far as particles of light are concerned, the collective is more important than the individual. When they get to decide between two states, they will favor the one that many of their fellow particles have already adopted. However, this collectivist tendency does not kick in until enough photons have assembled in the same place. […] A new imaging system could help us see deeper into the universe than ever before. The same powerful technology could also help us analyze the chemical makeup of everyday materials such as food and medicines much faster and with greater accuracy than current methods. Go to Source |
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