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    ‘Toggle Switch’ Can Help Quantum Computers Cut Through the Noise

    June 27, 2023, Categories  Physics, Technology/Electronics

    A blue-tinged drawing shows a schematic of the two qubits and resonator above a white rectangle, which represents the SQUID device that controls the connections and relationships among the qubits and resonator elements.
    This photo shows the central working region of the device. In the lower section, the three large rectangles (light blue) represent the two quantum bits, or qubits, at right and left and the resonator in the center. In the upper, magnified section, driving microwaves through the antenna (large dark-blue rectangle at bottom) induces a magnetic field in the SQUID loop (smaller white square at center, whose sides are about 20 micrometers long). The magnetic field activates the toggle switch. The microwaves’ frequency and magnitude determine the switch’s position and strength of connection among the qubits and resonator.
    Credit: R. Simmonds/NIST

    The novel device could lead to more versatile quantum processors with clearer outputs...

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    Scientists find evidence the Early Solar System Harbored a Gap between its Inner and Outer regions

    October 19, 2021, Categories  Astronomy/Space

    solar system graphic
    Caption:An MIT study suggests that a mysterious gap existed within the solar system’s protoplanetary disk around 4.567 billion years ago, and likely shaped the composition of the solar system’s planets. This image shows an artist’s interpretation of a protoplanetary disk.
    Credits:Credit: National Science Foundation, A. Khan

    The cosmic boundary, perhaps caused by a young Jupiter or a wind from the solar system emerging, likely shaped the composition of infant planets. In the early solar system, a “protoplanetary disk” of dust and gas rotated around the sun and eventually coalesced into the planets we know today.

    A new analysis of ancient meteorites by scientists at MIT and elsewhere suggests that a mysterious gap existed within this disk around 4...

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