Falling objects injured three different people in three separate incidents I recently investigated. The common thread: unsecured objects above the victims’ heads. As in any falling-object case, most ...

Neil deGrasse Tyson explains how gravity truly acts on falling objects, revealing the physics behind motion, acceleration, and why our everyday experience often hides the universe’s deeper rules.

Our motion perception is remarkably well tuned to detect small changes in speed and direction. For example, soccer goalkeepers need to precisely judge the speed, direction, and curvature of an ...