Ask the publishers to restore access to 500,000+ books. An icon used to represent a menu that can be toggled by interacting with this icon. A line drawing of the Internet Archive headquarters building ...
Abstract: This article introduces a new design method for 360° continuously tunable phase shifters (PSs) with wide bandwidth (BW) and low phase error. In this design ...
Capturing the first image of a supermassive black hole using the Event Horizon Telescope (EHT). This image of the black hole at the center of the nearby galaxy M87 reveals how gravitation affects the ...
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