City of Angels is a film that was directed by Brad Silberling[?] in 1998. The film is a recasting of the story in Wim Wenders' film Wings of Desire, but moved to Los Angeles, California. In the film, an angel falls in love with a human and has to decide whether to become mortal to spend human life with her.
... gyroscopes. Their striking property is that the axis of a spinning gyroscope will resist a force applied to it and will start rotating perpendicular to the force applied. ...