CAMBRIDGE, Mass. — A mammoth MIT antenna installed in 1957 as the first radar system to conduct space surveillance (it observed the Sputnik satellite) is poised for many more years of key observations ...
NASA and ISRO s NISAR satellite has just reached a major milestone: the successful deployment of its enormous 39-foot antenna reflector in orbit. Folded up like an umbrella during launch, the ...
Engineers at Los Alamos National Laboratory are reinventing the mirror, at least for microwaves. Their invention could replace the familiar satellite dishes and microwave horns seen on rooftops and ...
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