The idea of balanced forces is a central concept of physics, and we see it everywhere, from tug-of-war battles to card houses to football games. Until forces become unbalanced, the flag at the rope’s ...

You often hear about Lagrangian points because they can be handy places to “park” a spacecraft where it doesn’t need much fuel to stay in the same position relative to Earth. If gravity were the only ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. This bound book of tables was ...