Engineers have made a material from and plastic. It can cool dings and things under the hot Sun. It does not need energy or to work. It could replace air , which need lots of and water. The material is not like in nature. It is as as the aluminium foil we use for .
The explained how the material works. First, it cools anything under it by the Sun. Second, it takes away heat from the under it. An engineer is about it. He wants to see in the power , aerospace, and more. Just a of the material could cool a in the .