I started to walk across what had once been its site. "This," I said to myself, "should be where the step went up to the door." Barely were the words out of my mouth when I stubbed my toe on some obstacle, pitched forward, and butted my head into something that FELT very much like a door. I reached out my hand. It WAS a door. I found the knob and turned it. And at once, as the door swung inward on its hinges, the whole interior of the laboratory impinged upon my vision. Greeting Lloyd, I closed the door and backed up the path a few paces. I could see nothing of the building. Returning and opening the door, at once all the furniture and every detail of the interior were visible. It was indeed startling, the sudden transition from void to light and form and color.
"What do you think of it,
