Engineers in the USA have made a -thin material that can cool . The amazing new can cool things even under the Sun. The material does not need or water to work. It could do the work of conditioners, which need a lot of energy and water. The material is not like in nature. It is a mix of glass and and is just 50 micrometers – about the same as the aluminium foil we use for .
The engineers explained the material works. When it is put on top of something, things happen. First, it cools the under it by reflecting the Sun's . Second, the material takes away from the thing underneath. An said he was about the chance to use it "in the industry, aerospace, agriculture and ". Just 10 square meters of the material could cool down a house in the .
