Time feels like the most basic feature of reality. Seconds tick, days pass and everything from planetary motion to human memory seems to unfold along a single, irreversible direction. We are born and ...

Learn how to model the force of a spring step by step in this physics tutorial! 🧲📐 Explore Hooke’s Law, spring constants, and real-world examples while applying calculations to understand how ...

Explore how forces and friction work to hold a block against a vertical wall. This video explains normal force, frictional force, and equilibrium conditions, showing how these forces balance to ...

Abstract: Virtual reality (VR) rehabilitation systems have been proposed to enable prosthetic hand users to perform training before receiving their prosthesis. Improving pre-prosthetic training to be ...

Researchers have achieved quantum "alchemy" that allows them to alter the properties of materials using high-powered ...

Abstract: Dexterous manipulation of objects through fine control of physical contacts is essential for many important tasks of daily living. A fundamental ability underlying fine contact control is ...

Some forces are called contact forces because they require objects to touch. One is tension force, found in stretched wires. Another is the force found in a spring. And last are resistive forces: ...

LAS VEGAS (KLAS) — Water forecasts for the Colorado River are grim going into 2026 as several bad trends are converging. The Colorado Basin River Forecast Center (CBRFC) cited snowpack levels that are ...