Abstract: Among various sensor array configurations, the L-shaped nested array offers improved performance for 2-D direction-of-arrival (DOA) estimation through co-array processing. However, ...

A 2nd-grade teacher with 14 years of experience under her belt turned to Reddit to describe how, in recent years, she's noticed a sharp decline in independence among her students. In fact, she said ...

The internet is torn over an elementary-level math equation which left many scratching their heads. The viral math problem has X users stumped - but the answer comes from lessons learned in fifth or ...

Plus: The Dignity of Dependence, infinite scroll, ZIRP narratives, and more ...

Ask the publishers to restore access to 500,000+ books. Can You Chip In? We’re celebrating our 1 trillionth archived web page. If you find our library useful, learn how you can help us fundraise! Can ...

With a backdrop of pop music and Python code, Litchfield Middle School eighth graders set the wheels — and mechanical arms — in motion for a robot dance recital last week in a ...

According to the company, Liquid Nanos deliver performance that rivals far larger models on specialized, agentic workflows such as multilingual data extraction, translation, retrieval-augmented (RAG) ...

Scientists at Cambridge University and Jerusalem's Hebrew University selected the problem to pose to ChatGPT because of its non-obvious solution. Since Plato's writing 2,400 years ago, scholars have ...

Brenda Amparan leads her first graders in Spanish at Pueblo Elementary School in Scottsdale, Ariz., on Sept. 16, 2025.