A new addition at the Corning Museum of Glass by Thomas Phifer and Partners continues a tradition of invention at its upstate New York campus. Photo © Iwan Baan The addition's pristine exterior masks a series of inventive details that made it possible to sheathe the structure in a single layer of glass with few joints. To earn one AIA learning unit (LU), including one hour of health, safety, and welfare (HSW) credit, read each of the articles below, and complete the test online. Upon passing, you will receive a certificate of completion and your credit will automatically be reported

Two towers rising in Shenzhen, China, demonstrate SOM's approach to creating transparent and pristine facades. Image © SOM The two all-glass towers, part of a mixed-use complex, are to be completed by 2017. To earn one AIA learning unit (LU), including one hour of health, safety, and welfare (HSW) credit, read each of the articles below, and complete the test online. Upon passing, you will receive a certificate of completion and your credit will automatically be reported to the AIA. Find additional information regarding credit-reporting and continuing-education requirements at ce.construction.com, under “requirements.” Innovations In Glass Straight Story On Curves Reflections