Abstract: This communication presents a method for large-spacing arrays with grating-lobe-free scanning capabilities. This method achieves grating lobe (GL) suppression by transforming the ...

A couple were told their baby had "something wrong with her heart" at their 20-week scan. Natalie Brown, 25, and Joe Hart, 26, were told by hospital staff that their unborn baby had a complicated ...

Jan. 9 (UPI) --On this day in history: In 1768, Philip Astley, regarded as the "father of the modern circus," staged the first event in an open field at what is now the Waterloo area of London. In ...

Abstract: This article demonstrates a dual-band omnidirectional beam-scanning antenna array. A key innovation is a dual-band reflection-type phase shifter using liquid metal (LM)-enabled shunt ...