Interstellar object 3I/ATLAS reveals no technosignatures in seven-hour radio scan

Scientists at the SETI Institute recently searched for technological signals from 3I/ATLAS, the third interstellar object ...
SETI Institute

SETI Institute Looks for Signs of Technology in Interstellar Visitor 3I/ATLAS

Observations with the Allen Telescope Array set new limits on possible signals from extraterrestrial transmitters.
Hackaday

Using A Mirror To 3D Scan Both Sides Of An Object At Once

Photogrammetry is the process of 3D scanning an object by taking a lot of photographs, then using software to turn those into ...
IEEE

Wide-Angle Scanning Dual-Beam Dual-Circularly Polarized Phased Array for Satellite Communications

Abstract: Satellite communications generally require antennas with circular polarization (CP) performance and employ multiple beams to enhance communication capacity. Achieving CP necessitates antenna ...