Four-wave mixing could boost optical communications in space
A new and practical approach to the low-noise amplification of weakened optical signals has been unveiled by researchers in Sweden. Drawing from the principles of four-wave mixing, Rasmus Larsson and...
View ArticleQuantized vortices seen in a supersolid for the first time
Quantized vortices – one of the defining features of superfluidity – have been seen in a supersolid for the first time. Observed by researchers in Austria, these vortices provide further confirmation...
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From melanoma to malaria: photoacoustic device detects disease without taking...
Malaria remains a serious health concern, with annual deaths increasing yearly since 2019 and almost half of the world’s population at risk of infection. Existing diagnostic tests are less than optimal...
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Hybrid irradiation could facilitate clinical translation of FLASH radiotherapy
Dosimetric comparisons Treatment plans for a prostate cancer patient, showing the dose distributions for a conventional dose rate (CDR) plan, a hybrid ultrahigh-dose rate (UHDR)–conventional (HUC)...
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Nanoflake-based breath sensor delivers ultrasensitive lung cancer screening
Gas sensing cell Schematic depicting the internal structure and the gas sensor’s working status. (Courtesy: Reprinted with permission from ACS Sensors 10.1021/acssensors.4c01298 ©2024 American Chemical...
View ArticleNuclear shapes revealed in high-energy collisions
In a groundbreaking study, scientists in the STAR Collaboration have unveiled a pioneering method for investigating the shapes of atomic nuclei by colliding them at near light-speed in particle...
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Magnetoelectric nanodiscs deliver non-invasive brain stimulation in mice
MEND-mediated neuromodulation When exposed to a magnetic field, the magnetostrictive core of the nanodisc changes shape, inducing a strain in the outer layer and facilitating stimulation of the brain...
View ArticleMechanical qubit could be used in quantum sensors and quantum memories
Researchers in Switzerland have created a mechanical qubit using an acoustic wave resonator, marking a significant step forward in quantum acoustodynamics. The qubit is not good enough for quantum...
View ArticleQuantum error correction research yields unexpected quantum gravity insights
In computing, quantum mechanics is a double-edged sword. While computers that use quantum bits, or qubits, can perform certain operations much faster than their classical counterparts, these qubits...
View ArticleLens breakthrough paves the way for ultrathin cameras
A research team headed up at Seoul National University has pioneered an innovative metasurface-based folded lens system, paving the way for a new generation of slimline cameras for use in smartphones...
View ArticleUltrafast electron entanglement could be studied using helium photoemission
The effect of quantum entanglement on the emission time of photoelectrons has been calculated by physicists in China and Austria. Their result includes several counter-intuitive predictions that could...
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Cascaded crystals move towards ultralow-dose X-ray imaging
Working principle Illustration of the single-crystal (a) and cascade-connected two-crystal (b) devices under X-ray irradiation. (c) Time-resolved photocurrent responses of the two devices. (Courtesy:...
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Triboelectric device reduces noise pollution
Sound absorption Incoming acoustic waves induce relative movements among the fibres, initiating the triboelectric effect within overlapping regions. The generated charges are dissipated through...
View ArticleElectromagnetic waves solve partial differential equations
Waveguide-based structures can solve partial differential equations by mimicking elements in standard electronic circuits. This novel approach, developed by researchers at Newcastle University in the...
View ArticleMillions of smartphones monitor Earth’s ever-changing ionosphere
A plan to use millions of smartphones to map out real-time variations in Earth’s ionosphere has been tested by researchers in the US. Developed by Brian Williams and colleagues at Google Research in...
View ArticleNew imaging technique could change how we look at certain objects in space
A new imaging technique that takes standard two-dimensional (2D) radio images and reconstructs them as three-dimensional (3D) ones could tell us more about structures such as the jet-like features...
View ArticleOptimization algorithm gives laser fusion a boost
A new algorithmic technique could enhance the output of fusion reactors by smoothing out the laser pulses used to compress hydrogen to fusion densities. Developed by physicists at the University of...
View ArticleDelayed Big Bang for dark matter could be detected in gravitational waves
New constraints on a theory that says dark matter was created just after the Big Bang – rather than at the Big Bang – have been determined by Richard Casey and Cosmin Ilie at Colgate University in...
View ArticlePhysicists close in on fractionally-charged electron mystery in graphene
Physicists in the US have found an explanation for why electrons in a material called pentalayer moiré graphene carry fractional charges even in the absence of a magnetic field. This phenomenon is...
View ArticleNuclear shape transitions visualized for the first time
Xenon nuclei change shape as they collide, transforming from soft, oval-shaped particles to rigid, spherical ones. This finding, which is based on simulations of experiments at CERN’s Large Hadron...
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