• ASSET Seminar: “What’s In my Network? On Learned Proximals and Testing for Explanations”

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    Raisler Lounge (Room 225), Towne Building 220 South 33rd Street, Philadelphia, PA, United States

    Abstract: Modern machine learning methods are revolutionizing what we can do with data, from tiktok video recommendations to biomarkers discovery in cancer research. Yet, the complexity of these deep models makes it harder to understand what functions these data-dependent models are computing, and which features they detect regarding as important for a given task. In this talk, […]

    CBE Doctoral Dissertation Defense: “Scaling Mineral Carbonation and Critical Mineral Recovery in Mining Waste: Process Engineering, Techno-Economics, and Public Policy” (Katherine Vaz Gomes)

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    Room 35, Singh Center for Nanotechnology 3205 Walnut Street, Philadelphia, PA, United States

    Abstract: The growing need to secure critical minerals for clean energy technologies, alongside the urgency to mitigate climate change, presents a unique opportunity to combine mineral recovery with carbon sequestration. This dissertation explores the potential of mine tailings as a dual-purpose feedstock, enabling both the extraction of critical minerals and the storage of CO₂ through […]

    Fall 2024 GRASP SFI: Jason Ma, University of Pennsylvania, “Environment Curriculum Generation via Large Language Models”

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    Levine 307 3330 Walnut Street, Philadelphia, PA, United States

    This will be a hybrid event with in-person attendance in Levine 307 and virtual attendance on Zoom. ABSTRACT Recent work has demonstrated that a promising strategy for teaching robots a wide range of complex skills is by training them on a curriculum of progressively more challenging environments. However, developing an effective curriculum of environment distributions […]

    CBE Seminar: “AI-Guided Closed-Loop Discovery of Photostable Light-Harvesting Molecules” (Charles Schroeder, UIUC)

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    Wu & Chen Auditorium

    Abstract: AI--guided closed-loop experimentation has recently emerged as a promising method to optimize functional properties in materials discovery. However, achieving the full potential of this approach in the chemical sciences requires new methods to efficiently access large chemical spaces. In this talk, I will discuss a closed-loop approach combining automated synthesis, materials characterization, and AI-guided […]

    David P. Pope Distinguished Lecture: “Supersonic Collisions of Microparticles on Metal: In-Situ Studies at the Nanosecond and Micrometer Scales” 

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    Wu and Chen Auditorium (Room 101), Levine Hall 3330 Walnut Street, Philadelphia, PA, United States

    There are many situations in which small particles impact metals at high speeds, even above the speed of sound. Sometimes these are unintentional (as for foreign object damage or micrometeorite strikes), and sometimes they occur by design (as for surface treatment processes like abrasive spray, peening, or spray coatings). The fundamental physics behind supersonic impacts, […]

    ESE Fall Seminar – “The Circuit Frontier: Innovating and Expanding ASIC Solutions for Enhanced Biosensing and Seamless Wireless Communication”

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    Raisler Lounge (Room 225), Towne Building 220 South 33rd Street, Philadelphia, PA, United States

    The BU Wireless Integrated Systems and Extreme Circuits (WISE-Circuits) group blends integrated circuits with energy-constrained applications to pioneer breakthroughs in information theory, bioengineering, and communications. Our research focuses on the development of Cyber-Secure Biological Systems, leveraging living sensors constructed from engineered biological entities seamlessly integrated with solid-state circuits. This unique synergy harnesses the advantages of […]

    CIS Seminar: “Cedar: A language for expressing fast, safe, and fine-grained authorization policies”

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    Wu and Chen Auditorium (Room 101), Levine Hall 3330 Walnut Street, Philadelphia, PA, United States

    Cedar is a new open-source authorization policy language, used to express fine-grained permissions on behalf of applications. Rather than embed authorization logic in their application code, developers can write that logic as Cedar policies and delegate access requests to Cedar’s evaluation engine. Cedar is designed to be ergonomic, fast, safe, and analyzable. Cedar’s simple and […]

    Fall 2024 GRASP on Robotics: Nicholas Roy, Massachusetts Institute of Technology, “Hierarchy, Abstractions and Geometry”

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    Wu and Chen Auditorium (Room 101), Levine Hall 3330 Walnut Street, Philadelphia, PA, United States

    This will be a hybrid event with in-person attendance in Wu and Chen and virtual attendance on Zoom. ABSTRACT In the last few years, the ability for robots to understand and operate in the world around them has advanced considerably. Examples include the growing number of self-driving car systems, the considerable work in robot mapping, […]

    MEAM Ph.D. Thesis Defense: “Exploring Multimodal Sensing Across the Stack for Robot Manipulation”

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    Raisler Lounge (Room 225), Towne Building 220 South 33rd Street, Philadelphia, PA, United States

    Despite substantial progress in robotics, achieving human-like manipulation remains a significant challenge. Existing robotic systems typically leverage human-inspired sensory modalities: vision, touch, and proprioception. However, these modalities are historically studied and integrated in isolation, leading to limited performance in complex real-world tasks that require sensing across multiple modalities for robust generalization. As a result, robots […]

    Center for Soft and Living Matter Seminar: “Medium-range Order and Local Structure Fluctuations in Metallic Glass”

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    DRL 2N3

    Amorphous materials have no long-range order, but there are ordered structures at short-range (2-5 Å), medium-range (5-20 Å), and even longer-length scales. While regular and semiregular polyhedra are often identified as short-range order in amorphous materials, the nature of the medium-range order has remained elusive. Because of the disorder, the dynamics also become far more […]

    MEAM Ph.D. Thesis Defense: “Coupling Hard and Soft Interfaces to Realize Actuators and Energy Sources that Bring Robots Towards Animal Mobility”

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    Raisler Lounge (Room 225), Towne Building 220 South 33rd Street, Philadelphia, PA, United States

    Mobile robots have shown significant advancements in agility, intelligence, and efficiency over the past few decades. However, their endurance and overall performance remain limited by the onboard power supplies. Current power sources typically restrict mobile robots to areas close to the electrical grid and necessitate heavier batteries for extended range. Energy refueling could be significantly […]

    Tedori-Callinan Distinguished Lecture: “Novel Passive and Active Approaches to Fluid Friction Reduction using Polymers & Plastrons”

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    Wu and Chen Auditorium (Room 101), Levine Hall 3330 Walnut Street, Philadelphia, PA, United States

    When a superhydrophobic (SH) textured surface is immersed in water it traps a thin shiny layer of air within the texture that is known as a plastron. Contact line pinning stabilizes this Cassie-Baxter state and the patches of air trapped in the texture can act as shear-free regions that locally lower the frictional dissipation. Recent […]