Add Yahoo as a preferred source to see more of our stories on Google. The latest "Google Doodle" to adorn the Google search engine home page is celebrating achievements in quantum physics - and aiming ...

The ball rolls across the floor because it was kicked, just as Earth orbits the sun because it is tugged by gravity. The connection between cause and effect is fundamental to how we understand the ...

When you throw a ball in the air, the equations of classical physics will tell you exactly what path the ball will take as it falls, and when and where it will land. But if you were to squeeze that ...