Close-up Photographer of the Year is a global photography contest that celebrates the hidden beauty of our world through ...

Penn Engineers have developed a system that lets robots see around corners using radio waves processed by AI, a capability ...

MUSIC is truly timeless, and for The Bloomfields, it continues to serve as a bridge between memory and the present. In their latest release, the band ...

Abstract: This letter proposes a novel and practical framework for inverting the equivalent reflection height of the lower ionosphere using eLoran skywave signals. Based on wave-hop model, the method ...