That night the city seemed narrower, as if the buildings had leaned closer to eavesdrop. Elias fed the console from the mains and placed it on the kitchen table. He had no credentials, no lab, no right to trial the thing — only insomnia and questions. Halden’s voice threaded through his mind like a forgotten song. He wrapped a finger in a glove, brushed aside a glass cover, and found a narrow recess filled with a fine black dust that clung like ash. When he swept at it, something inside the console gave a soft, obliging thrum, and the room cooled.