Hydrogel-filled ceramics can cool buildings

Hydrogel-filled ceramics can cool buildings

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When the weather gets hot, it's usually simply a case of switching on the A/C. Unfortunately, this can help easily rack up huge utility bills as well as your carbon footprint. We've previously seen Al Bahar Towers in Abu Dhabi use computer-controlled sun screens to keep offices cool in an environmentally-friendly way. Now students from Spain's IAAC architecture institute have developed a new type of building material that responds to the temperature outside and automatically switches from cooling to insulating.

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