Jump start physics problem with a mass on a spring. This video explains the setup, key assumptions, and the step-by-step physics needed to solve for motion, energy, and forces in a spring–mass system.

This video demonstrates how to use Lagrange multipliers to find the tension in a falling yo-yo. By applying constraints and generalized coordinates, you’ll see how this powerful method reveals both ...

With support from the W. M. Keck Foundation, a Stevens–Yale collaboration is now transforming graviton detection from a ...

Scientists discover ultra-weak faults near the 7.2 magnitude earthquake in Haiti that continued to slip for weeks.