According to the overview for Haunt, an installation by London’s noted architectural firm Haque, para-psychologists have deduced several “empirical” environmental characteristics of haunted spaces: infrasound (frequencies below the threshold of hearing), fluctuations in humidity, fluctuations in temperature, air movement, electromagnetic fields. Herewith, a haunted space is created and invoked, what Haque dubs an non-visual architecture, by simulating (or creating?) the atmospheric conditions that commonly accompany these experiences.