The practice of engineering is continually changing. Engineers today must be able not only to thrive in an environment of rapid technological change and globalization, but also to work on interdisciplinary teams. Cutting-edge research is being done at the intersections of engineering disciplines, and successful researchers and practitioners must be aware of developments and challenges in areas that may not be familiar to them. At the U.S. Frontiers of Engineer Symposium, engineers have the opportunity to learn from their peers about pioneering work being done in many areas of engineering. Frontiers of Engineering 2011: Reports on Leading-Edge Engineering from the 2011 Symposium highlights the papers presented at the event. This book covers four general topics from the 2011 symposium: additive manufacturing, semantic processing, engineering sustainable buildings, and neuro-prosthetics. The papers from these presentations provide an overview of the challenges and opportunities of these fields of inquiry, and communicate the excitement of discovery. Table of ContentsFront MatterADDITIVE MANUFACTURINGIntroduction--Carolyn Seepersad and Michael SiemerAdditive Manufacturing Technologies: Technology Introduction andBusiness Implications--Brent StuckerAdditive Manufacturing in Aerospace: Examples and ResearchOutlook--Brett LyonsAdditive Manufacturing Is Changing Surgery--Andrew M. ChristensenThe Shape of Things to Come: Frontiers in AdditiveManufacturing--Hod LipsonSEMANTIC PROCESSINGIntroduction--Aleksandar Kuzmanovic and Amarnag SubramanyaAutomatic Text Understanding of Content and Text Quality--AniNenkovaAdvancing Natural Language Understanding with CollaborativelyGenerated Content--Evgeniy GabrilovichLarge-Scale Visual Semantic Extraction--Samy BengioSearching for Statistical Diagrams--Shirley Zhe Chen, Michael J. Cafarella, and Eytan AdarENGINEERING SUSTAINABLE BUILDINGSIntroduction--Annie Pearce and John ZhaiChallenges and Opportunities for Low-Carbon Buildings--JohnOchsendorfExpanding Design Spaces--John HaymakerOpportunities and Challenges for Multiscale Modeling of SustainableBuildings--Jelena SrebricAccelerating Green Building Market Transformation with InformationTechnology--Christopher PykeNEUROPROSTHETICSIntroduction--Timothy Denison and Justin WilliamsRetinal Prosthetic Systems for Treatment of Blindness--James D. Weiland and Mark S. HumayunThe Evolution of Brain-Computer Interfaces--Eric C. LeuthardtUltra Low-Power Biomedical and Bio-Inspired Systems--RahulSarpeshkarAPPENDIXESContributorsProgramParticipants