Foreword / Edwin B. Hathaway -- Preface / Mark Wigley -- Introduction / Michael Bell -- Portfolio : SANAA / Jeannie Kim -- Essays : Bioconstructivisms / Detlef Martins -- Mirror glass (a fragment) / Reinhold Martin -- A crystal world: between reason and spectacle / Joan Ockman -- The structure of transparency / Nina Rappaport -- Demands on glass beyond pure transparency / Robert Heintges -- Glass at the limits / Antoine Picon -- Infrathin / Guy Nordenson -- Unclear vision: architectures of surveillance / Beatriz Colomina -- Is glass still glass? / Kenneth Frampton -- Insulating glazing units: fabrication and memory of weight and stress / Michael Bell -- Projects : Nelson-Atkins Museum of Art, Kansas City, Mo. / Steven Holl -- Gefter-Press House, Ghent, N.Y. / Michael Bell -- The Glass Pavilion, Toledo Museum of Art, Toledo, Ohio / Toshihiro Oki -- IAC / InterActiveCorp., New York, Michael Bell -- 7 World Trade Center, New York / James Carpenter -- 11 March Memorial, Atocha Train Station, Madrid, Spain / Miguel Jaenicke Fontao -- Technical innovations: material and light : Electrochromic windows / Thomas J. Richardson -- Double performances / Scott Marble -- Conversions of light / Graham Dodd -- Solar vision / Bernhard Weller, Susanne Rexroth, and Stefan Unnewehr -- Optics, waves, and particles / Michelle Addington -- Technical innovations: structure and glass : Engineered glass / Werner Sobek -- Making visions reality / Jens Schneider -- Maximum glass / Richard L. Tomasetti -- Fifteen proposals / Ulrich Knaack -- Glazing for extreme loadings / H. Scott Norville -- Adhesive connections / Bernhard Weller, Silke Tasche, and Stefan Unnewehr -- Explosive loadings and flexible facades / Robert Smilowitz -- Telecom Center, Munich, Germany / Albrecht Burmeister -- Visual and spatial effects : Inside outside / frame and frameless / Laurie Hawkinson -- Beyond transparency / James Carpenter -- Curtain wall / aberrant masonry at 277 Mott Street / Stefan Röschert -- Energy and comfort / Matthias Schuler -- Shadows and light / François Roche -- Phantom house: sustaining the American dream / Elizabeth Diller -- Afterword / Christian Meyer.