As he moved through the black room, it looked like his head and hands were floating on their own.

This made the rest of the body almost invisible, as if the head was floating in the air.

Considering how it felt, I hoped my head would float away.

If you don't stop, my head might very well float away.

A display came alive suddenly, with Sand's head floating in it.

He went over and stared at the head floating in the keg of oil.

Her head and bare hand floated in the air.

In one form of the myth he was killed and dismembered, but then his head floated.

And as she watched, the heads rose up and floated into the air.

Characters are all robots whose head, limbs, and body float around separately.