Abstract: In this paper, the concept and recent development of exploiting frequency diverse array (FDA) and its variants for the physical-layer wireless security have been revisited and carefully ...
From immersive learning to personalized tutors, AI is everywhere in K-12 education. Here are three steps parents can take to ...
A recent study claims to have utilized mathematics to determine when Homer really wrote the Iliad. How did this work, and is ...
A 5th grader's schedule allows metaphorical application of three important life skills: lean into learning, include times for ...
Opinion
National Security Journal on MSNOpinion

The B-21 Raider Stealth Bomber ‘Math Problem’ That Needs Solving

Will 100 B-21 Raiders Be Enough For War With China or Russia? The new Northrop Grumman B-21 Raider, the next-generation stealth bomber, is set to replace the aging B-2 Spirit and B-1 Lancers as the ...
The US is considering a request by Ukraine for long-range Tomahawk missiles, US Vice-President JD Vance has said. However, Vance added President Donald Trump would be making "the final determination" ...
Abstract: With the increasing demand for surveilling lowobservable targets, dim target detection in complex ocean environments remains a challenging issue. Sea clutter suppression can significantly ...
The “X” in XPU is often interpreted as a placeholder for “any” or “cross-domain,” signifying flexibility and extensibility. It isn’t one single chip type, but rather a concept and direction in process ...
On September 25, 2025, OpenAI dropped a bombshell: its latest model, GPT-5, now “stacks up to humans in a wide range of jobs.” The declaration ripples far beyond the world of AI benchmarks, it raises ...