Summary:
- Researchers have developed a "super-cool" roof coating that can reflect sunlight and radiate heat away from buildings, keeping them cooler in summer and warmer in winter.
- The coating uses a fluorescent dye that absorbs sunlight and re-emits it at wavelengths that can easily pass through the atmosphere, allowing the heat to escape.
- This technology could significantly reduce the energy needed for heating and cooling buildings, leading to lower greenhouse gas emissions and energy bills.