A full-sized home that cools itself was recently unveiled in Dubai. The two-storey, four-bedroom house, in the headquarters of the Mohammad Bin Rashed Space Centre, spans 6,000 sq ft with outside walls of 61 cm thickness. These walls are insulated with a combination of polystyrene, gypsum and fibreglass mesh. The house´s in-built software system regulates lighting, power, temperature and humidity. All the lights are motion-activated LEDs, while blinds covering the home´s triple-glazed windows open and close automatically. The home was built with help from the Passive House Institute in Germany. The Darmstadt-based institute aims to develop the ´holy grail´ of building science - structures that use very little energy for heating and cooling.