A system and method include a computer implemented training framework that adapts its behavior to different types of training goals. The lampshade has a receiving space, a reflection section and a transmission section. The Web browser then uses the persistent information to aid in displaying the Web content while allowing the user to continue to use the browser. The fiber-reinforced core layer has a texture, and includes at least one fiber-reinforced sheet that is substantially devoid of cellulose. The wavelength tuner and external cavity tuner may operate under the control of the same, or of separate controllers. The upper wall may include a first plurality of ridges that are generally parallel to the inner wall.