Complex sentence: The projector alternately projects the right-eye frame and left-eye frame 144 times per second, and circularly polarizes these frames, clockwise for the right eye and counterclockwise for the left eye.
Split into simpler sentences: The projector alternately projects right-eye frames and left-eye frames 144 times per second. It circularly polarizes these frames, clockwise for the right eye and counterclockwise for the left eye.