WASHINGTON - A remarkable assemblage of fossils from China is revealing that animal life diversified in Earth's primordial seas millions of years earlier than previously known, with an array of forms ...

Making quantum systems more scalable is one of the key requirements for the further development of quantum computers because the advantages they offer become increasingly evident as the systems are ...

Abstract: This paper develops control design technology for active shape control of reflective surfaces using large spatially distributed actuator arrays. The potential applications are in astronomy, ...

Abstract: Ground-based two-dimensional (2D) array radar suffers from low angular resolution, including azimuth and pitch directions because of the limited size of antenna aperture. In this paper, to ...