The new chip takes in light signals more like the human eye.

Some said they had seen an exchange of light signals before the operation.

Most other countries do not employ moving parts in light signals.

In S' the path of the light signal is a straight line, too.

On public roads they have light signals with or without gates.

Harry felt more at ease after he had given the second pair of light signals.

Let us say, for example, that an observer wants to measure the speed of a light signal.

Father had not even had time to change the light signals.

All sorts of light signals go up - green, white, red.

Light signals - Made using an underwater torch at night.