You wanna fight against the air pollution but you don’t want something or a gadget that is too prominent telling the world that you’re simply paranoid, overly worried about the harms that pollution could bring to you.
Twente University has got a new idea that allows you to keep the air in your house or office building crystal clear, without telling everybody that you’ve got such an air purifier installed. The secret behind is the air purifier is embedded within a piece of concrete that makes up the walls of your building.
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