During chemical reactions, atoms in the reacting substances break their bonds and re-arrange, forming different chemical ...

Engineers reinvent the 5,000-year-old gear using fluids instead of solid teeth.

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 ...

Learn where the centripetal acceleration formula comes from with a clear, step-by-step derivation. This video explains circular motion, velocity direction changes, and the physics behind the equation, ...