This clever window film reflects the sun's rays in the heat of summer, but lets in solar heat during the cold winter months.
Being a cop during the dog days of summer can't be much fun, especially with all of that gear you need to wear. So to keep things cool, a Swiss company has created a new type of bullet-resistant vest that comes complete with built-in air conditioning.
Providing air conditioning to an entire city is no easy task, especially if that city is located in central Mongolia. Ulan Bator, the Monglian capitol, is planning on trying out an ambitious geoengineering project: they want to create their own urban glacier on top of a river, and rely on it to keep cool all summer long.
Summer’s here, but we're not complaining. That’s because we’ve found seven ways anyone can buy to help defeat the heat. Come along with us while we show you how it's done, introducing you to some big ideas as well...