This ‘thermal cloak’ keeps spaces from getting either too hot or cold
The prototype fabric could one day help reduce heating and cooling energy costs
![A photo of two cars parked next to each other. The car on the left is covered by a large white tarp that is wrapped around it while the car on the right is pink and exposed.](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2023/07/071023_sw_thermal-cloak_feat.jpg?fit=1030%2C580&ssl=1)
A thermal fabric prototype (shown covering an electric vehicle, left) kept the inside of a car up to 28 degrees Celsius lower than an uncovered car on a summer day in Shanghai.
Huaxu Qiao