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Category: 4. Physics
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Physicists Unravel Mystery of Mercury’s Bizarre Nuclear Fission
A five-dimensional model has successfully predicted the asymmetric fission of mercury isotopes, offering new insights into nuclear fission processes beyond the well-studied elements uranium and plutonium. A five-dimensional (5D) Langevin model…
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Quantum Dots For Reliable Quantum Key Distribution
• Physics 18, 126
The efficiency of a quantum cryptography scheme can be improved by replacing conventional attenuated lasers with single-photon quantum-dot sources.
Aerial view of the quantum key distribution experiment… Continue Reading
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How to Measure the Earth–Moon Distance to the Last Micrometer
• Physics 18, 124
A researcher describes a pathway to unprecedented precision for measurements of the distance to the Moon using a continuous rather than a pulsed laser.
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Lunar ambitions.… Continue Reading
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This breakthrough turns old tech into pure gold — No mercury, no cyanide, just light and salt
An interdisciplinary team of experts in green chemistry, engineering and physics at Flinders University in Australia has developed a safer and more sustainable approach to extract and recover gold from ore and electronic waste.
Explained in the…
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Graphene just unlocked “impossible” quantum currents without magnets
Scientists from TU Delft (The Netherlands) have observed quantum spin currents in graphene for the first time without using magnetic fields. These currents are vital for spintronics, a faster and more energy-efficient alternative to electronics….
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Engineers Build “Universal Translator” for Quantum Computers
Silicon breakthrough may provide the foundation for a global quantum internet. UBC researchers have proposed a solution to a major challenge in quantum networking: a device that can convert microwave signals to optical signals and back again….
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Physicist Solves 120-Year-Old Thermodynamics Puzzle and Corrects Einstein
The paper argues that the third principle of thermodynamics follows from the second principle, rather than being a separate or independent concept. Professor José María Martín-Olalla of the University of Seville has published a paper…
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Bacterial swimming in porous gels exhibits intermittent run motility with active turns and mechanical trapping
Fig. 1 Trajectories reveal intermittent run-motility of bacteria in agar gel. (A) Trajectory of a bacterium in \(0.25 \,\%\) agar, with the corresponding speed as a function of time as an inset. Runs are indicated in blue. (B) MSD of P. putida…
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Dynamic phase transition in 1T-TaS2 via a thermal quench
Thompson, A. H., Gamble, R. F. & Revelli, J. F. Transitions between semiconducting and metallic phases in 1-T TaS2. Solid State Commun. 9, 981–985 (1971).
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Wilson, J….
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