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Watching a single protein molecule fold for days reveals rare excursions into configurations that were previously hidden from observation by high energy barriers.
The 2022 Nobel Prize in Physics has been awarded “for experiments with entangled photons, establishing the violation of Bell inequalities and pioneering quantum information science”, a long-anticipated topic for the prize.
Casimir forces are normally attractive and cause stiction, that is, static friction preventing surfaces in contact from starting to move. Now, a system exhibiting tunable repulsive critical Casimir forces, relevant for the development of micro- and nanodevices, is demonstrated.
The interplay between superconductivity that might break time-reversal symmetry and charge order is a key issue in kagome materials. Now, optical measurements show that spatial and time-reversal symmetries are broken at the onset of charge order.
Single-molecule magnetic tweezers enable probing the folding dynamics of a single talin protein for long periods of time. This allows the observation of previously inaccessible rare and kinetically trapped conformations.
Hexagonal boron nitride is a common component of 2D heterostructures. Defects implanted in boron nitride crystals can be used to perform spatially resolved sensing of properties, including temperature, magnetism and current.
The observation of quantized vortices in a rotating gas of magnetic atoms confirms a long-standing prediction and has far-reaching implications for the study of phenomena related to superfluidity.
The notion of chirality in dynamical systems with broken spatial symmetry but preserved time inversion symmetry has led to the concept of truly chiral phonons. These have now been observed in bulk HgS using circularly polarized Raman spectroscopy.
Ultracold gases composed of lanthanide atoms are characterized by long-range dipolar interactions. These have now been exploited to observe quantized vortices in a dipolar condensate through the manipulation of the atoms by rotating external magnetic fields.
An analysis of representations of fluid flows in classical paintings reveals scientific inaccuracies. Some of these misrepresentations might be caused by a limited understanding of fluid dynamics and others by deliberate artistic choices.
Embryonic development is characterized by large cellular flows. The cells retain their positional information despite these flows thanks to an unjamming of cells that pull along jammed cells in a way that preserves initial tissue patterning.
Lorentz symmetry violations might produce anomalies in the propagation of particles travelling through the Universe. The IceCube Collaboration performed the most precise search for such an effect with neutrinos, finding no sign of anomalous behaviour.
The IceCube Collaboration reports a search for quantum gravity effects imprinted in flavour conversions of astrophysical neutrinos. No evidence for anomalous conversions between neutrino flavours is observed.