These chapters are intact with minor additions. Discovery of Electron, Proton, and Neutron, atomic number, isotopes, and isobars. Thomson's model and its limitations. Rutherford's model and its ...

Groups of districts already working on escaping the factory model applied for grant money to work on innovative high school options.

Zico Kolter leads a panel that can stop OpenAI from releasing new AI systems if they're deemed unsafe. The computer science professor at Carnegie Mellon University first took on the oversight ...

An autonomous ocean robot, launched from Woods Hole, is attempting to complete a first-ever trip around the world.