Hacker News new | ask | show | jobs
by Nancyparker 1055 days ago
Yes, that's correct! Scientists at Purdue University have indeed developed a special white paint that has the ability to cool buildings. The paint is designed to reflect nearly all the sunlight that hits its surface, preventing the building from absorbing the sun's heat and keeping it cooler.

This innovative paint is known as "ultra-white" paint. Its unique formulation consists of a high concentration of barium sulfate, which gives it its exceptional reflective properties. Barium sulfate is a common compound used in various applications due to its ability to scatter light effectively.

By applying this white paint to the exterior of buildings, it can significantly reduce the need for air conditioning and help lower energy consumption, especially in hot climates. This could potentially have a positive impact on both energy efficiency and the environment.

Researchers are continuously exploring new ways to develop energy-efficient technologies, and this ultra-white paint is a promising development in the field of sustainable building materials.