Lyra looked at him curiously. He set it on the floor and lifted it several times, making the same humming noise as before—he still couldn’t think of a better way to illustrate their weird tractor beams. Finally, she looked at it and a golden glow surrounded the feather, which gently lifted off the ground. When it had reached his eye height, it wavered around—mimicking his earlier movement—and then she set it back down.