"You want to catch them while the light bulb is flashing," he said.

A small green bulb concealed behind the panel flashed on momentarily.

Had she been in Xanth, a bulb would have flashed.

A dim bulb appeared over her head, but didn't flash.

Powerful bulbs had flashed from everywhere, exposing all within the underground room.

In Xanth, a bulb would have flashed, but here it was just a bright thought.

Again a bulb flashed, and Slick carefully put away the plates.

The bulb in the shed flashed blue and died.

There was chaos as bulbs flashed and people screamed at him.

That insight made light bulbs flash inside every head in the office.