Rebecca Torchia is a web editor for EdTech: Focus on K–12. Previously, she has produced podcasts and written for several publications in Maryland, Washington, D.C., and her hometown of Pittsburgh.

For generations, we’ve been taught a simple rule: oxygen comes from sunlight. Plants, algae, and microscopic phytoplankton use light to power photosynthesis, releasing the oxygen that fills our ...

Artificial intelligence is changing the world, and simultaneously inventing a whole new language to describe how it’s doing it. Spend five minutes reading about AI and you’ll run into LLMs, RAG, RLHF, ...