Let there be light—aerogel-filled glass bricks provide translucency as well as insulation and load-bearing capabilities

Glass block walls can be a desirable way to maximize natural light exposure in a building, but their thermal properties do not allow for the best energy efficiency. Researchers at Empa, the Swiss Federal Laboratories for Materials Science and Technology designed aerogel-filled glass bricks that are translucent as well as thermally insulating and strong.

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