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Explore the Ball Up/Down Problem from the Feynman Lectures in this clear and engaging physics lesson! This video explains the underlying principles of motion, forces, and energy transfer step by step, ...

Learn the key differences between centripetal and centrifugal force in this clear and engaging physics tutorial! Understand how centripetal force keeps objects moving in a circular path, while ...

It’s a breakthrough in the field of random walks.

Scientists have long seen a puzzling pattern in tokamaks, the doughnut-shaped machines that could one day reliably generate electricity from fusing atoms. When plasma particles escape the core of the ...

It's well established that the universe is expanding, but there's serious disagreement among scientists over how fast it's happening.

Mermaid Raid:The Problem Solvers must free a captive Mermaid from a gang of unruly porpoises. But there's just one catch: Alfe is terrified of the water.