Pita suddenly felt a low vibration, deep in her bones. All of a sudden her stomach felt as if it were being twisted by a pair of invisible hands. She doubled over, fighting the urge to be sick. She heard someone next to her heaving and then the pungent smell of vomit filled the air. Beside her, the woman with the bio-lum tattoo gritted something through clenched teeth: "Bastards. They’re pumping in low-frequency noise." Then Pita lost her supper. Now she had to concentrate on her bowels, which felt as if they were full of ice water.