Abstract: With the high angle measurement precision, theodolite has been widely used in Spacecraft Assembly alignment. However, the use of theodolite is connected with manual operation and judgment of ...

National security, unlocked. Each Thursday, host Mary Louise Kelly and a team of NPR correspondents discuss the biggest national security news of the week. With decades of reporting from battlefields ...

Biophysical methods are techniques to study the structure, properties, dynamics or function of biomolecules at an atomic or molecular level. They encompass a range of techniques including microscopy, ...

Abstract: We designed a metalens array for collimating light emitted by micro-LED display in Augmented Reality (AR) Near-eye display system. The metalens array realizes transmission efficiency of up ...