Learn how to model a mass–hanging mass system using the Lagrangian method! This tutorial walks through deriving equations of motion and understanding the physics behind coupled systems. Perfect for ...

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.

System Men's Spring 2026 ready-to-wear runway, fashion show & collection photos. Designed by System at Paris Men's Fashion Week, June 2025.

A plot to paralyse parts of London by anti-capitalist activists who defiled The Ritz has been exposed. Direct action group Take Back Power, who once smeared crumble and custard over a glass case ...

The Globe’s Spotlight investigation exposes a systemic breakdown where prosecutors enable police misconduct rather than check it (“When police are allowed to police themselves,” Page A1, Jan. 2). When ...

If you're not a fan of early winter sunsets, hang in there. Brighter evenings are on the way. In Boston, the sun will set after 5 p.m. for the first time this year in early February. If you work a ...