Through the glass, darkly.

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  • Author(s): Skerrett, P.J.
  • Source:
    Popular Science; Jul93, Vol. 243 Issue 1, p80-87, 5p, 5 Color Photographs, 2 Diagrams
  • Subject Terms:
    WINDOWS
  • Additional Information
    • Abstract:
      Part II. Discusses how smart glazings that automatically switch from clear to opaque and back again, capturing as much light as possible while rejecting unneeded heat, are nearing the marketplace. Development of smart glazings by companies including PPG and 3M; Materials and operation; Commercial devices that use switchable glazing; Durability problems; Cost. INSETS: Non-switched glazings that do tricks, by P.J.S.;Cloudy to clear, by P.J.S..