Aiming at the issues of heavy weight and insufficient structural performance of optical instrument supporting structures in extremely large telescopes, the Wide-Field Optical Spectrograph (WFOS) of ...

Cylindrical shell structures are widely employed across engineering sectors such as aerospace, marine, and civil construction, owing to their high strength-to-weight ratios and efficiency in material ...

Two stellar explosions that lit up the sky in 2021 have now been dissected in unprecedented detail, revealing tangled shells, colliding flows of gas, and structures that defy decades of textbook ...