A new material inspired by wood pulp and soap bubbles reflects sunlight while staying cooler than the air around it. By Andrew Paul Published Mar 27, 2023 6:00 PM EDT Get the Popular Science daily ...

A square meter of the film can generate over 120 watts of cooling power, as much as some air conditioners. In a study , the material was 7.2 degrees Fahrenheit cooler (or 4 degrees Celsius) than ...