Circular is a relatively small player in the smart ring segment, which is currently led by the likes of Oura, Samsung, and ...

Scientists at the Institute of Organic Chemistry, University of Vienna, have unveiled an innovative approach for synthesizing azaparacyclophanes (APCs), a class of highly advanced ring-shaped ...

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Notice that in visible light, the rings only reflect and scatter sunlight, so they are dark where they enter Saturn’s shadow on the left. Credit: NASA/JPL-Caltech/Space Science Institute/G.