Explore the physics behind rope swings and learn how to calculate the maximum tension in the rope using centripetal acceleration. This video breaks down the forces at play when swinging in a circular ...

New research suggests that dark energy isn't needed to explain the acceleration in the expansion of the universe — instead suggesting giant voids in space are creating an illusion. When you purchase ...

Scientists have come a step closer to understanding how collisionless shock waves -- found throughout the universe -- are able to accelerate particles to extreme speeds. Scientists have come a step ...