Learn how tension and friction interact when an object moves at constant velocity. This video breaks down the force balance, explains why acceleration is zero, and shows how physics principles apply ...

Solve two Atwood machine problems step by step, including the effects of friction and an inclined plane. Learn how to set up free-body diagrams, apply Newton’s laws, and avoid common mistakes in ...

Researchers at TU Wien have developed a one-dimensional “quantum wire” using a gas of ultracold atoms. In this system, both ...

Researchers at TU Wien have discovered a quantum system where energy and mass move with perfect efficiency. In an ultracold ...

The supermassive black hole sitting at the heart of our galaxy is considered to be a slumbering giant. However, an ...

When you step onto an icy sidewalk or push off on skis, the surface can seem to vanish beneath you. For more than a century, ...

A host of new science books are due to hit shelves in January, by authors including Claudia Hammond, Deborah Cohen and Daisy ...

In a Columbia University laboratory in New York, physicist Sebastian Will and his team have reached one of ultracold physics’ ...

The seemingly quixotic quest to build fully autonomous cars is a bit like Zeno’s paradox. The ancient Greek philosopher argued that to arrive at any destination you must first cover half the distance.

In American life, Greenland feels distant, an icy expanse far removed from daily routines in Pennsylvania or elsewhere in the ...

AMD (AMD) is rated a 'Buy' based on its architectural strengths and plausible 3-5 year EPS growth framework. AMD’s higher ...

AMD’s 2025 performance points to a shift from chips to platforms. CES 2026 reinforced execution, but this year's deployments ...