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    Category Technology/Electronics

    Charging Electric Vehicles with Photovoltaics at Home

    January 6, 2022, Categories  Physics, Technology/Electronics

    Exemplary week of a single user showing the usage of the BEV as well as the energy production by rooftop PV. In this recorded charging pattern (i.e., the baseline scenario, as explained below), it would be beneficial to not immediately recharge the car to the maximum, but instead wait for periods of increased PV energy generation. Credit: DOI: 10.1016/j.rser.2021.111969

    An electric car that runs on PV power sounds appealing. But is it really possible to enjoy flexibility with a vehicle charged through a home photovoltaic system? An ETH research team has reached some surprising conclusions.

    The area of photovoltaics (PV) is rapidly increasing in popularity, and in Switzerland it already covers 5 percent of the country’s electricity consumption...

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    Experimental Quantum Teleportation of Propagating Microwaves

    January 6, 2022, Categories  Physics, Technology/Electronics

    Quantum teleportation (QT) of propagating microwaves: concept and implementation. (A) General concept. (B) Our experimental implementation of QT with propagating quantum microwaves and analog feedforward (also see note S1 for the full technical schematics). Here, an unknown input coherent state is teleported from Alice to Bob by exploiting quantum entanglement characterized by the two-mode squeezing level ST ≲ S. The feedforward signal is generated by the measurement JPAs with the degenerate gain G, in combination with two hybrid rings and a local displacement operation on Bob’s side. The latter is implemented with a directional coupler with the coupling β = −15 dB...
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    A-list Candidate for Fault-Free Quantum Computing Delivers Surprise

    January 1, 2022, Categories  Physics, Technology/Electronics

    An artist’s impression of a neutron striking a sample of superconducting uranium ditelluride in experiments at Oak Ridge National Laboratory. Crystals of uranium (dark gray) and tellurium (brown) are suspected of hosting spin-triplet superconductivity, a state marked by electron pairs with spins pointed in the same direction (blue). In neutron scattering experiments, incoming neutrons disrupt pairs by flipping one spin in the opposite direction (red), revealing telltale evidence of the pair’s quantum mechanical state. (Credit: Jill Hemman/ORNL)

    Puzzling result forces physicists to rethink ‘spin-triplet’ superconductivity...

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    Researchers offer Future 6G Network Concept

    December 31, 2021, Categories  Physics, Technology/Electronics

    Credit: CC0 Public Domain

    NIST and international researchers propose a “cognitive” 6G network—significantly enhancing the 5G network that encodes and transmits data with their meaning or semantics.

    With commercial 5G rapidly deploying, researchers have begun to look at 6G. Its key technologies for mobile communication networks are expected to become available as early as 2023, with 6G networks emerging in 2030, according to Saad et al. Compared to 5G, the 6G network will increase data rates by over 100 times, to one terabyte per second or more, enabling the inclusion of edge intelligent devices and computing. To move large amounts of data to where and when it is needed, 6G networks will need to customize services to meet demands, transmit valued data, and interact with users.

    T...

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