The light was only just visible - except of course that there was no one to see, no witnesses, not this time, but it was nevertheless a light.

Ghastly gray light congealed on the land

He let the curtain drop and the terrible light that had played on his features went off to play somewhere more healthy.

The light works," he said, indicating the window, "the gravity works," he said, dropping a pencil on the floor. "Anything else we have to take our chances with.