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MEAM Seminar: “SLAM in Hard Places”

Room 337, Towne Building 220 South 33rd Street, Philadelphia, PA, United States

Simultaneous Localization and Mapping is a fundamental problem for robots interacting with a novel environment and has been a densely studied area of research for several decades. The modern paradigm of feature extraction and matching coupled with advancements in sensor technology have allowed robots to achieve sub meter localization accuracy over kilometer long trajectories in […]

ESE Ph.D. Thesis Defense: “Tunable Dielectric Nanocrystal Metasurfaces for Colorimetric Sensing”

Room 313, Singh Center for Nanotechnology 3205 Walnut Street, Philadelphia, PA, United States

Optical metasurfaces enable strong light–matter interactions, making them ideal platforms for high–figure-of-merit (FOM) sensing. When fabricated from colloidal nanocrystal dispersions, these metasurfaces offer unique advantages in fabrication flexibility, reconfigurability, and cost-effectiveness. However, conventional fabrication approaches often rely on toxic material systems. In this thesis, we enhance the FOM of titanium dioxide (TiO₂)-based dielectric metasurfaces by […]

MEAM Seminar: “Discrete and Continuous Modeling of Fibrous Biological Materials: Compressible Large Deformations, Damage, and Crack Propagation”

Room 337, Towne Building 220 South 33rd Street, Philadelphia, PA, United States

Random fiber networks are integral to biological materials such as the extracellular matrix, cytoskeleton, and blood clots. A random fiber network is the main structural component of the extracellular matrix, the cytoskeleton, and our blood clots. The mechanical behavior of these materials is characterized by large deformations, non-linear stress-strain response, and large compressibility. Experimental and […]

MEAM Seminar: “Mechanical Interfaces for Health: From Mechanobiology to Tactile Perception”

Room 337, Towne Building 220 South 33rd Street, Philadelphia, PA, United States

Our lab combines adhesion and tribology with modern polymers and surface coatings to understand soft interfaces in biology towards improving human health and accessibility. On the scale of cells, mechanical stiffness of cells and tissue can indicate diseases like fibrosis or osteoarthritis. On the scale of the human body, mechanical forces generated by friction form […]

Summer 2025 GRASP Seminar: Antonino Furnari, University of Catania, “Towards an Embodied Understanding of Human Behaviour with Egocentric Vision”

Amy Gutmann Hall, Room 306 3317 Chestnut Street, Philadelphia, PA, United States

This is a hybrid event with in-person attendance in AGH 306 and virtual attendance via Zoom. ABSTRACT The last few years are witnessing a major shift in the way we think of computing, with humans relying more and more on AI assistants which speak their language and understand images and videos. While this revolution has […]

ESE Ph.D. Thesis Defense: “Statistical Limits and Efficient Algorithms for Learning-Enabled Control”

Amy Gutmann Hall, Room 414 3333 Chestnut Street, Philadelphia, United States

As the adoption of large-scale learning for control continues to grow, developing sample-efficient algorithms has become critical. Yet, even in simple settings, algorithms achieving optimal sample complexity for specific problem instances often remain unknown. Motivated by this limitation, we discuss recent progress toward understanding sample-efficient methods in learning-enabled control. We first examine the statistical limits […]

AI Across the Care Spectrum: From Bench to Bed (Webinar)

Join Penn AI on June 18 @ 2PM for an exciting webinar exploring how artificial intelligence is transforming every corner of healthcare—from dental exams to home care, medical imaging to gerontology, and beyond. Hear directly from leading experts including  as they dive into the real-world impact of AI in their fields, the challenges of implementing […]

MEAM Ph.D. Thesis Defense: “Elastomeric Strain Limitation for Design of Soft Pneumatic Actuators”

Room 337, Towne Building 220 South 33rd Street, Philadelphia, PA, United States

Modern robots embody power and precision control, yet as robots undertake tasks that apply forces on humans this power brings risk of injury. Soft robotic actuators use deformation to produce smooth, continuous motions and conform to delicate objects while imparting forces capable of safely pushing humans. This thesis presents strategies for the design, modeling, and […]

MSE Ph.D. Defense: “Wet Spinning Responsive Filaments: Assembly and Processing with Anisotropic Building Blocks”

Auditorium, LRSM Building 3231 Walnut Street, Philadelphia, PA, United States

Fibers are among the most versatile material forms in contemporary applications, including textiles, biomedicine, and aerospace. Wet spinning, the process of coagulating a polymer solution into tangible fibers, remains one of the oldest and most reliable methods for continuously fabricating fibers from a wide range of materials. Contemporary research in fiber science has begun to […]

CBE Doctoral Dissertation Defense: “Reconfigurable Metasurfaces Based on Multistable Elastic Pixels” (Jed-Joan S. Edziah)

Glandt Forum, Singh Center for Nanotechnology 3205 Walnut Street, Philadelphia, PA, United States

Abstract: Metamaterials are engineered materials designed to manipulate and tailor electromagnetic (EM) waves. Metasurfaces are planar metamaterials that rely on inclusions whose optical properties and spatial arrangements are designed to interact with incident EM waves to yield desired reflected or transmitted waveforms. A reconfigurable metasurface in which the relative positions of inclusions can be controlled […]