Large-Area Fluidic Windows Create Shade with Iron

Large-Area Fluidic Windows Create Shade with Iron
The innovative Large-Area Fluidic Windows system blocks sunlight and harvests thermal energy with magnetic nanoparticles.

The LaWin system relies on vertical channels embedded within the glass filled with iron particles suspended in liquid. The suspended particles cause the window to become opaque while also absorbing heat from the sun, and the window can be made clear by triggering a magnet that pulls the particles out of the liquid. The degree of opacity is determined by the amount of particles in the liquid, and the harvested solar heat can be used to heat the building.

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