Add Yahoo as a preferred source to see more of our stories on Google. Galileo, holding two balls, about to perform his legendary experiment. Hulton Archive/Stringer via Getty Images If you drop a ...

Quantum entanglement, a bewildering phenomenon where particles become interconnected regardless of the distance separating them, challenges our fundamental understanding of reality. It has puzzled ...

A number of experiments have been proposed to generate and witness gravitational entanglement, but Aziz and Howl’s work suggests that the presence of gravitational entanglement is not a ‘smoking gun’ ...

Professor of Mechanical and Aerospace Engineering, North Carolina State University If you drop a light object and a heavy object from a tower, which one reaches the ground first? As you may recall ...