Described is a traveling pillow having embedded headphones for providing a traveler with a comfortable place for resting the neck and head and music to the ears. Such compounds may be utilized for the prophylaxis or treatment of various diseases, particularly inflammatory conditions of the GI tract. The machine further includes an attachment-medium dispenser system for dispensing a plurality of gapped-dots of an attachment-medium on a top surface of the lens along a peripheral line substantially according to a bottom-surface shape of the filter. Novel membrane modules incorporating such feed spacers are also disclosed. Further, within the defended areas those structures enhanced with electro-magnetic levitation systems can be raised from their bases and, by partial or full decoupling, isolated from the shock.