Nothing would happen, nothing would begin to move until he turned around and gave them all his attention, and then, per haps, the pieces outside would cease to wheel and collide.

That's because existing pieces will occasionally collide, producing fragments that will outnumber other debris that has burned up in the atmosphere.

It was later discovered that a piece of debris from the third stage had collided with the station, causing the damage.

Behind them the jaws of stone crashed shut, as pieces of the world collided and were consumed.

If two pieces of ammunition collide with each other, both pieces will fall to the ground, though some pieces of ammunition have more defensive and/or offensive power than others.

The effect was as if a piece of earth-moving equipment had collided with a man at brutal speed, fusing them together in the process.

Those pieces continually collide with and rub against one another, and sometimes their edges abruptly crack or slip and suddenly release huge amounts of pent-up energy.

When the ball is rotated, the glass pieces "collide" to form a variety of shapes, visible to the viewer.

If the ice fractures, pieces of ice torn free by the river's current will collide with stationary or slower-moving pieces.

In April of 2005, a piece of a 31-year-old U.S. rocket body collided with a fragment from a more recently launched Chinese rocket stage about 885 kilometres above Earth.