This is caused by Earth's rotation, which creates centrifugal force — the same force that would cause you to fly off a ...

This is where it leaves a tangible imprint, evidence that there exists a force more powerful than gravity at work within the Earth whose influence ... be made visible. Small filings of iron ...

Magnetic force can overcome gravity. That’s why this magnet can hover in mid-air. Electrostatic force also attracts and repels objects. Rubbing the balloon on another surface creates a small ...

much greater than Earth's. This gravitational strength is particularly impressive because of the stars' small size. When they are formed, neutron stars rotate in space. As they compress and shrink ...