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- A film that can cool buildings without the use of refrigerants http://www.economist.com/news/science-and-technology/21716599-film-worth-watching-how-keep-cool-without-costing-earth 108 comments
- A new material can cool buildings without using power or refrigerants. It costs 50¢ per square meter and 20 square meters is enough to keep a house at 20°C when it's 37°C. Works by radiative cooling http://www.economist.com/news/science-and-technology/21716599-film-worth-watching-how-keep-cool-without-costing-earth 297 comments technology
- A new material can cool buildings without drawing power or using refrigerant. It costs 50¢/square meter and 20 square meters is enough to keep a house at 20°C when it's 37°C outside http://www.economist.com/news/science-and-technology/21716599-film-worth-watching-how-keep-cool-without-costing-earth 280 comments science
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