Ukrainian military recruitment officers raided restaurants, bars and a concert hall in Kyiv, checking military registration documents and detaining men who were not in ...

A NASA spacecraft is ready to set sail for Jupiter and its moon Europa, one of the best bets for finding life beyond Earth.

Ka-band metasurface antennas, with their low-cost, low-profile design and superior beam-steering capabilities, show ...

A new publication from Opto-Electronic Sciences; DOI 10.29026/oes.2024.240014 , discusses how AI and physics unite for meta-antennas design.Ka-band ...