Why not? Because you are frightened.
You see other things about the room. The lighting has no source that you can discover. It comes from nowhere. It is not indirect lighting; the ceiling and the walls are not reflecting it at all.
Illustrated by VIDMER
They didn't have lighting like that, back where you came from. What did you mean by back where you came from?
You close your eyes. You tell yourself: I am Norman Hastings. I am an associate professor of mathematics at the University of Southern California. I am twenty-five years old, and this is the year nineteen hundred and fifty-four.
You open your eyes and look again.
They didn't use that style of furniture in Los Angeles—or anywhere else that you know of—in 1954. That thing over in the corner—you can't even guess what it is. So might your grandfather, at your age, have looked at a television set.
You look down at yourself, at the shimmering garment that you found waiting for you. With thumb and forefinger you feel its texture.