Spaceships, they had often read, could make themselves invisible at will.

In fact, his success or failure will turn on this detail work invisible at the national level.

Each was invisible to the other's pilots at that point and would be for most of the test.

It granted its owner the power to become invisible at will.

"No star that big could be invisible at this distance."

That form is invisible to you at the moment, as it were in the dark of night.

He is a magician who makes himself invisible at will.

With its dull color, it would be almost invisible at night.

Hay made himself invisible at his small table beside the door.

Almost invisible at the edge of the trees, standing in shadow, a woman was watching her.