Get your news from a source that’s not owned and controlled by oligarchs. Sign up for the free Mother Jones Daily. Happy New Year! Every year, Edge.org asks scientists a question. This year it’s “What ...

Physicists are using small wheeled robots to better understand these indirect mechanical interactions, how they play a role in active matter, and how we can control them. When self-propelling objects ...

When self-propelling objects interact with each other, interesting phenomena can occur. Birds align with each other when they flock together. People at a concert spontaneously create vortices when ...