International. In order to cool all kinds of buildings, a group of Israeli researchers and businessmen created a painting for houses and buildings that when receiving the sun's rays is activated as a cooling agent.
Its creators, Yaron Shenhav and Gadi Grottas, co-founders of SolCold, and Guy Ron, a professor at the Hebrew University, explained that the brighter the sun the colder the high-tech coating reaches.
"It's like there's a thin layer of ice that gets colder and colder as the sun gets stronger," Shenhav told Fuente Latina, an organization dedicated to spreading Israel's scientific and technological advances.
He explained that the painting takes up the technology that reverses photons, energy released by the sun and that are absorbed by any structure. "The material that is impacted by one photon emits another of greater frequency, losing its own energy and cooling. Heat from a building could be absorbed and returned as light," he added.
The painting was tested in laboratory studies, where it managed to cool an object to 1.2 degrees Celsius with the use of one percent of solar energy.
At the current stage of development, the paint is blue, although it is planned to be released in other shades at a cost of two dollars to cover each square meter.
Experts said the coating would serve as an option to eliminate air conditioning systems inside offices and help reduce electricity consumption by up to 60% on the hottest and sunniest days.
