Category: 4. Physics

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  • Capillary interactions drive the self-organization of bacterial colonies

    Capillary interactions drive the self-organization of bacterial colonies

  • Or, D., Smets, B. F., Wraith, J. M., Dechesne, A. & Friedman, S. P. Physical constraints affecting bacterial habitats and activity in unsaturated porous media—a review. Adv. Water Res. 30, 1505–1527 (2007).

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  • Ångström-resolution imaging of cell-surface glycans

    Ångström-resolution imaging of cell-surface glycans

  • Flynn, R. A. et al. Small RNAs are modified with N-glycans and displayed on the surface of living cells. Cell 184, 3109–3124.e3122 (2021).

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  • Predicting topological entanglement entropy in a Rydberg analogue simulator

    Predicting topological entanglement entropy in a Rydberg analogue simulator

    Hilbert space

    Considering a system of N spins 1/2 whose Hilbert space is spanned by {|↑〉, |↓〉}N, we map the dimer representation to this space using the correspondence \(\left\vert \uparrow \right\rangle =\left\vert…

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  • Experimental composable key distribution using discrete-modulated continuous variable quantum cryptography

    Experimental composable key distribution using discrete-modulated continuous variable quantum cryptography

    DM CVQKD protocols and composable secure key

    Protocol description

    Figure 1 shows a flowchart of the prepare-and-measure DM CVQKD protocol with QPSK alphabet. The protocol steps read as follows:

    Fig. 1

    Discrete modulated continuous variable quantum…

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  • A common grounded ultra-wideband diversity/MIMO antenna with high inter-element isolation

    A common grounded ultra-wideband diversity/MIMO antenna with high inter-element isolation

    In smart office networks, the internet of things (IoT) gadgets keeps opening up new opportunities1. Nowadays, a potted plant can sense when it is too cold or thirsty to water itself and adjust the temperature in the room. Sensors are being used…

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  • Development of PMMA based polymer composite incorporating WO3 for gamma radiation shielding using synthesis and Monte Carlo simulation

    Development of PMMA based polymer composite incorporating WO3 for gamma radiation shielding using synthesis and Monte Carlo simulation

    Theory

    Radiation shielding problems frequently involve the calculation of transmission factors (TFs), which describe the extent to which radiation penetrates a shielding material. These factors are primarily derived from Lambert’s law18,19, a…

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  • Rewriting Physics Textbooks: Scientists Propose a Bold New Theory About the Universe’s Origins

    Rewriting Physics Textbooks: Scientists Propose a Bold New Theory About the Universe’s Origins

    Speculative elements may not be necessary to explain the cosmos. A team of researchers, led by Raúl Jiménez, an ICREA scientist at the University of Barcelona’s Institute of Cosmos Sciences (ICCUB), and working in partnership with the…

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  • Century-Old Quantum Mystery Solved: Scientists Finally See Inside the Electron’s “Tunnel”

    Century-Old Quantum Mystery Solved: Scientists Finally See Inside the Electron’s “Tunnel”

    A team of physicists has experimentally uncovered what electrons do during quantum tunneling, revealing a surprising internal collision process that challenges long-held beliefs. Professor Dong Eon Kim of POSTECH’s Department of Physics, in…

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