These waves move very quickly, perhaps 500 miles an hour, the said.

Sound waves, on the other hand, cannot move through empty space.

This event is like a wave moving from the past to the future.

The waves were moving from what we perceived as south to north.

But when light waves move through air, water or glass, they slow down.

Then a wave of incredible heat moved out over everything.

There were even more of them in the woods, a wave moving east.

High waves from the sea moved over land, and people had to hold onto trees to survive.

Soon he felt that his sounds and the waves were moving in tune with each other.

More waves moved my whole body up and down before pushing me onto the sand.