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.

Decades ago, the Pacific Northwest city launched a multibillion-dollar transit building boom. Now the new lines and stations ...

Founded in 1506, the Pontifical Swiss Guard is the world’s longest continually operating army, and, with a maximum of 135 ...

The downtown district unfolds like a perfectly preserved postcard from America’s past, with buildings that have witnessed ...

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