Travel back in time with Stacker through some of the most impressive archeological discoveries in the world, according to ...

E2 & 1 Hotels award six young business leaders $10,000 each to execute projects that advance sustainability, clean ...

Abstract: A 3-D wideband high-gain circularly polarized array antenna with low radar cross section (RCS) is presented in this letter. Its element contains four 3-D radiation structures fed by a ...

Robin Hood of Kathiawar and Other Extraordinary Stories from India’s Freedom Movement offers a vivid, unexpected view of ...

The US Army has sent 10,000 interceptor drones developed in Ukraine to the Middle East as it looks to repel Iranian attacks without using up high-cost missile defenses, according to US Army Secretary ...

Nishtha Singh uploaded a photograph of what appeared to be a school assignment sheet. The worksheet contained a set of ...

As the U.S. military expands its use of AI tools to pinpoint targets for airstrikes in Iran, members of Congress are calling for guardrails and greater oversight of the technology’s use in war.

Abstract: Polarimetric phased arrays can equip radar systems with enhanced measuring abilities but also incur high costs. This study introduces a low-cost architecture and its applications in ...