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DTSTART;TZID=America/New_York:20231204T093000
DTEND;TZID=America/New_York:20231204T113000
DTSTAMP:20260404T001215
CREATED:20231121T170911Z
LAST-MODIFIED:20231121T170911Z
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SUMMARY:BE Doctoral Dissertation: "Piezo1 regulation of muscle stem cell heterogeneity and function and skeletal muscle generation" (Nuoying Ma)
DESCRIPTION:The Department of Bioengineering at the University of Pennsylvania and Dr. Foteini Mourkioti are pleased to announce the Doctoral Dissertation Defense of Nuoying Ma.\n\n\nTitle: Piezo1 regulation of muscle stem cell heterogeneity and function and skeletal muscle generation.\nDate: Monday\, December 4\, 2023\nTime: 9:30AM\nLocation: CRB Austrian Auditorium\nZoom link: https://us06web.zoom.us/j/81956870491?pwd=Q3GuaOdgeYeTAdMFzHuYVYsvBR24nb.1\n\nThe public is welcome to attend.
URL:https://seasevents.nmsdev7.com/event/be-doctoral-dissertation-piezo1-regulation-of-muscle-stem-cell-heterogeneity-and-function-and-skeletal-muscle-generation-nuoying-ma/
LOCATION:CRB Auditorium\, 415 Curie Boulevard\, Philadelphia\, PA\, 19104\, United States
ORGANIZER;CN="Bioengineering":MAILTO:be@seas.upenn.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20231204T163000
DTEND;TZID=America/New_York:20231204T180000
DTSTAMP:20260404T001215
CREATED:20231201T050400Z
LAST-MODIFIED:20231201T050400Z
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SUMMARY:MSE Thesis Defense: "Grain Boundary Structural Responses to Dislocation Loop Absorption"
DESCRIPTION:This talk aims to describe GB responses to absorption of dislocation loops\, as part of increasing understanding of component phenomena of radiation damage in materials. The context of radiation damage in materials and the broader importance of understanding related material behavior are summarized\, as well as some background on grain boundary structure and defects\, and approaches are introduced that will be used throughout the defense. Initially\, the discussion presents cases of a Sigma-5 (210)[001] symmetric tilt grain boundary in bcc-Fe responding to absorption of different sizes of interstitial and vacancy loops\, which exhibit both a DSC-disconnection reaction and some extent of a state change response concurrently\, with extent of each depending on the size and character of the inbound loop. The next case presented details state changes observed in a Sigma-5 (012)[100] STGB in (bcc) Mo after absorption of interstitial loops. The presentation then explores disconnection reaction response to interstitial loop absorption in two Sigma-13 STGBs in Mo. Comparisons and contrasts are drawn between the initial Fe case\, which exhibits multiple concurrent response types\, and the Mo cases\, which each present a single type of response. My defense then presents an approach to characterize defect absorptions by GBs in experimental settings by linking atomistic descriptions of absorption phenomena with experimental Nye tensor measurement changes. Finally\, the talk presents overarching conclusions from all of the work discussed\, in the hope that understanding these cases of single-loop absorptions and resulting GB responses will then provide more detailed understanding of GB evolution (and factors affecting it) as more defects are absorbed.
URL:https://seasevents.nmsdev7.com/event/mse-thesis-defense-grain-boundary-structural-responses-to-dislocation-loop-absorption/
LOCATION:zoom email johnruss@seas.upenn.edu for the link
CATEGORIES:Dissertation or Thesis Defense
ORGANIZER;CN="Materials Science and Engineering":MAILTO:johnruss@seas.upenn.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20231205T100000
DTEND;TZID=America/New_York:20231205T113000
DTSTAMP:20260404T001215
CREATED:20231129T142053Z
LAST-MODIFIED:20231129T142053Z
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SUMMARY:MEAM Seminar: "Computational Design of Origami and Compliant Robots"
DESCRIPTION:Soft and compliant robots provide new opportunities for machines that are flexible\, adaptable\, safe\, and robust. Origami-inspired engineering enables custom robots to be designed and fabricated within days\, or even hours. These robots are capable of executing a variety of shape-changing and dynamical tasks by taking advantage of their folded shape and programmable mechanics. In this talk\, I will show how the kinematics and compliance of a thin-shell mechanism can be designed algorithmically. I will also discuss how we can leverage these designs for better performance and simpler control\, and how these approaches provide robots with capabilities such as dynamical hopping\, swimming\, and flight.
URL:https://seasevents.nmsdev7.com/event/meam-seminar-computational-design-of-origami-and-compliant-robots/
LOCATION:Wu and Chen Auditorium (Room 101)\, Levine Hall\, 3330 Walnut Street\, Philadelphia\, PA\, 19104\, United States
CATEGORIES:Seminar
ORGANIZER;CN="Mechanical Engineering and Applied Mechanics":MAILTO:meam@seas.upenn.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20231205T153000
DTEND;TZID=America/New_York:20231205T163000
DTSTAMP:20260404T001215
CREATED:20231127T185944Z
LAST-MODIFIED:20231127T185944Z
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SUMMARY:CIS Grace Hopper Distinguished Lecture: "AGI is Coming… Is HCI Ready?"
DESCRIPTION:We are at a transformational junction in computing\, in the midst of an explosion in capabilities of foundational AI models that may soon match or exceed typical human abilities for a wide variety of cognitive tasks\, a milestone often termed Artificial General Intelligence (AGI). Achieving AGI (or even closely approaching it) will transform computing\, with ramifications permeating through all aspects of society. This is a critical moment not only for Machine Learning research\, but also for the field of Human-Computer Interaction (HCI). \n  \nIn this talk\, I will define what I mean (and what I do NOT mean) by “AGI” (and related concepts\, like superintelligence)\, and my journey from AGI skeptic to believing we are within five years of reaching this milestone. I will then discuss how this new era of computing necessitates a new sociotechnical research agenda on methods and interfaces for studying and interacting with AGI. For instance\, how can we extend status quo design and prototyping methods for envisioning novel experiences at the limits of our current imaginations? What novel interaction modalities might AGI (or superintelligence) enable (e.g.\, “ESP”)? How do we create interfaces for computing systems that may intentionally or unintentionally deceive an end-user? How do we bridge the “gulf of evaluation” when a system may arrive at an answer through methods that fundamentally differ from human mental models\, or that may be too complex for an individual user to grasp? How do we evaluate technologies that may have unanticipated systemic side-effects on society when released into the wild? \n  \nI will close by reflecting on the relationship between HCI and AI research. Typically\, HCI and other sociotechnical domains are not considered as core to the ML research community as areas like model building. However\, I argue that research on Human-AI Interaction and the societal impacts of AI is vital and central to this moment in computing history. HCI must not become a “second class citizen” to AI\, but rather be recognized as fundamental to ensuring the path to AGI and beyond is a beneficial one.
URL:https://seasevents.nmsdev7.com/event/cis-grace-hopper-distinguished-lecture-agi-is-coming-is-hci-ready/
LOCATION:Wu and Chen Auditorium (Room 101)\, Levine Hall\, 3330 Walnut Street\, Philadelphia\, PA\, 19104\, United States
ORGANIZER;CN="Computer and Information Science":MAILTO:cherylh@cis.upenn.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20231206T103000
DTEND;TZID=America/New_York:20231206T113000
DTSTAMP:20260404T001215
CREATED:20231128T142206Z
LAST-MODIFIED:20231128T142206Z
UID:10007772-1701858600-1701862200@seasevents.nmsdev7.com
SUMMARY:Fall 2023 GRASP Seminar: Shangzhe Wu\, Stanford University\, "Learning 3D Fauna and Flora in the Wild"
DESCRIPTION:This is a hybrid event with in-person attendance in Raisler Lounge and virtual attendance on Zoom. \nABSTRACT\nNature presents a captivating confluence of diversity and similarity. In order to make sense of our visual experiences in the world\, humans as well as other natural intelligences are innately adept at recognizing the underlying intrinsic patterns\, by simply looking at 2D projections of a constantly evolving 3D environment. Designing unsupervised perception systems to do the same is not only key to many AR/VR and robotics applications\, but also a cornerstone for understanding visual perception in general. In pursuit of this ultimate goal\, this talk will mainly focus on a recent line of effort in learning dynamic 3D objects like animals\, simply from casually-recorded\, unlabeled Internet images and videos. In addition\, I will also briefly discuss a few other relevant works on inverse rendering\, visual concept learning and spatial audio synthesis\, which\, collectively\, attempt to explore the various aspects of our experiences in the natural world.
URL:https://seasevents.nmsdev7.com/event/fall-2023-grasp-seminar-shangzhe-wu/
LOCATION:Raisler Lounge (Room 225)\, Towne Building\, 220 South 33rd Street\, Philadelphia\, PA\, 19104\, United States
CATEGORIES:Seminar
ORGANIZER;CN="General Robotics%2C Automation%2C Sensing and Perception (GRASP) Lab":MAILTO:grasplab@seas.upenn.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20231206T120000
DTEND;TZID=America/New_York:20231206T131500
DTSTAMP:20260404T001215
CREATED:20230928T142047Z
LAST-MODIFIED:20230928T142047Z
UID:10007711-1701864000-1701868500@seasevents.nmsdev7.com
SUMMARY:ASSET Seminar: "Robust Machine Learning with Foundation Models" (Aditi Raghunathan\, Carnegie Mellon University)
DESCRIPTION:ABSTRACT: \nIn recent years\, foundation models—large pretrained models that can be adapted for a wide range of tasks—have achieved state-of-the-art performance on a variety of tasks. While the pretrained models are trained on broad data\, the adaptation (or fine-tuning) process is often performed on limited data. As a result\, the challenges of distribution shift\, where a model is deployed on a different distribution as the fine-tuning data remain\, albeit in a different form. \nFirst\, via experiments on pretrained vision and language models\, we show different kinds of “catastrophic forgetting’’ where pretrained information is forgotten and correspondences between and in-distribution and out-of-distribution features are weakened. As a result\, fine-tuned models are not maximally robust to distribution shifts. We then provide new fine-tuning and prompting methods\, backed by theoretical insights\, that minimize such distortion and vastly improve accuracy and robustness. On the flip side\, our work shows that pretrained knowledge can be hard to get rid of\, thereby underlining the potential perils of overreliance on fine-tuning for safety.
URL:https://seasevents.nmsdev7.com/event/asset-seminar-aditi-raghunathan-carnegie-mellon-university-2/
LOCATION:Levine 307\, 3330 Walnut Street\, Philadelphia\, PA\, 19104\, United States
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20231206T150000
DTEND;TZID=America/New_York:20231206T160000
DTSTAMP:20260404T001215
CREATED:20231201T154836Z
LAST-MODIFIED:20231201T154836Z
UID:10007777-1701874800-1701878400@seasevents.nmsdev7.com
SUMMARY:Fall 2023 GRASP SFI: Ge Yang\, NSF Institute of AI and Fundamental Interactions and MIT CSAIL\, "Feature Fields for Robotics: Language-Grounded Perception and Mapping at Multiple Scales"
DESCRIPTION:This is a hybrid event with in-person attendance in Levine 307 and virtual attendance on Zoom. \nABSTRACT\nWhat kind of representation do robots need in order to be as generally capable as humans in handling unseen scenarios? Recent work in vision and vision-language foundation models has become quite good at telling what is in a scene\, but they do not capture the geometry needed for handling physical contact. State-of-the-art methods in inverse graphics capture detailed 3D geometry\, but they are missing the semantics. In this talk\, I will present a way to combine accurate 3D geometry with rich semantics into a single representation format called distilled feature fields and ways to use this representation for perception during few-shot manipulation with a robotic arm. Using features sourced from the vision-language model\, CLIP\, our method allows the user to designate novel objects for manipulation via free-text natural language\, and can generalize to unseen expressions and novel categories of objects. I will also present ways to scale feature fields up for building maps and the dual purpose of building realistic physics simulators for reinforcement learning. Finally\, I will present our recent effort in building a unified representation for semantics\, geometry\, and physics called Feature Splatting.
URL:https://seasevents.nmsdev7.com/event/fall-2023-grasp-sfi-ge-yang/
LOCATION:Levine 307\, 3330 Walnut Street\, Philadelphia\, PA\, 19104\, United States
CATEGORIES:Seminar
ORGANIZER;CN="General Robotics%2C Automation%2C Sensing and Perception (GRASP) Lab":MAILTO:grasplab@seas.upenn.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20231206T153000
DTEND;TZID=America/New_York:20231206T163000
DTSTAMP:20260404T001215
CREATED:20230829T175514Z
LAST-MODIFIED:20230829T175514Z
UID:10007650-1701876600-1701880200@seasevents.nmsdev7.com
SUMMARY:CBE Seminar: "Fabrication and Long-term Reliability of High Efficiency Monocrystalline Silicon Solar Cells" (Agarwal\, Colorado School of Mines)
DESCRIPTION:Global energy demand will continue to increase\, and the ability of fossil fuels to meet these demands is limited due to the associated climate change concerns. In response to these concerns\, new energy installations are increasingly based on renewable energy resources such as wind and solar. To further develop solar energy as a renewable energy resource\, it is critical to improve the efficiency and reliability of silicon-based solar cells\, which represent more than 95% of the current photovoltaics market. In this presentation\, I will discuss strategies to improve the efficiency of silicon solar cells via passivating contacts\, which serve both as a contact layer and a passivation layer for the crystalline silicon (c-Si) surface. These types of contacts are currently being incorporated into the next-generation industrially-manufactured cSi solar cells. I will discuss the fabrication of these contacts\, the underlying principle for charge transport through these contacts\, and their performance on both planar and textured surfaces. I will also discuss field degradation mechanism of c-Si solar cells\, and describe strategies that can be implemented to suppress these defects.
URL:https://seasevents.nmsdev7.com/event/cbe-seminar-fabrication-and-long-term-reliability-of-high-efficiency-monocrystalline-silicon-solar-cells-agarwal-colorado-school-of-mines/
LOCATION:Wu and Chen Auditorium (Room 101)\, Levine Hall\, 3330 Walnut Street\, Philadelphia\, PA\, 19104\, United States
CATEGORIES:Seminar
ORGANIZER;CN="Chemical and Biomolecular Engineering":MAILTO:cbemail@seas.upenn.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20231207T103000
DTEND;TZID=America/New_York:20231207T120000
DTSTAMP:20260404T001215
CREATED:20230730T165212Z
LAST-MODIFIED:20230730T165212Z
UID:10007619-1701945000-1701950400@seasevents.nmsdev7.com
SUMMARY:MSE Grace Hopper Lecture: "Quantum Simulations for Quantum Technologies\," (Giulia Galli - University of Chicago)
DESCRIPTION:In this talk\, I will describe theoretical and computational strategies based on quantum mechanical calculations\, aimed at predicting material properties suitable for the development of quantum technologies. Specifically\, I will discuss the electronic structure and coherent states of spin defects in two- and three-dimensional semiconductors and insulators\, obtained using both classical and near-term quantum computers.
URL:https://seasevents.nmsdev7.com/event/mse-grace-hopper-lecture-quantum-simulations-for-quantum-technologies-university-of-chicago/
LOCATION:Wu and Chen Auditorium (Room 101)\, Levine Hall\, 3330 Walnut Street\, Philadelphia\, PA\, 19104\, United States
CATEGORIES:Seminar,Distinguished Lecture
ORGANIZER;CN="Materials Science and Engineering":MAILTO:johnruss@seas.upenn.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20231208T100000
DTEND;TZID=America/New_York:20231208T110000
DTSTAMP:20260404T001215
CREATED:20231126T233420Z
LAST-MODIFIED:20231126T233420Z
UID:10007770-1702029600-1702033200@seasevents.nmsdev7.com
SUMMARY:PRECISE Seminar: Formal Methods for Computer Architecture: Reducing the Barriers to Entry
DESCRIPTION:Formal methods can provide strong correctness guarantees for today’s computing systems\, but their usage is often restricted to formal methods experts. Formal verification is then bottlenecked on these experts\, limiting its effectiveness. This problem is acute in computer architecture\, since many architects do not have formal methods expertise.\n\nIn this talk\, I will present recent work with my students and collaborators that reduces the barriers to entry for computer architects to use formal methods. First\, I will discuss our work on automatically generating formal microarchitectural models of hardware. These models are necessary for microarchitectural verification\, and generally need to be written by hand by formal methods experts. In contrast\, our work can automatically generate such models from accessible inputs like test programs and execution traces or from hardware RTL implementations. These models can then be used for formal verification of memory consistency and hardware security using known automated verification techniques. I will also speak briefly on our technique for automated verification of cyber-physical systems written in the Lingua Franca coordination language. \nMeanwhile\, we also need to develop formal models and verification techniques for emerging architectures that significantly change the hardware-software interface. As an example\, I will discuss our ongoing work on developing a verified programming model for a recent non-traditional memory hierarchy. I will conclude with our work on automatically converting axiomatic formal models to their operational equivalents\, enabling each type of model to be used for the tasks it handles best.
URL:https://seasevents.nmsdev7.com/event/precise-seminar-formal-methods-for-computer-architecture-reducing-the-barriers-to-entry/
LOCATION:Room 307\, Levine Hall\, 3330 Walnut Street\, Philadelphia\, PA\, 19104\, United States
ORGANIZER;CN="PRECISE":MAILTO:wng@cis.upenn.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20231208T103000
DTEND;TZID=America/New_York:20231208T114500
DTSTAMP:20260404T001215
CREATED:20231208T143349Z
LAST-MODIFIED:20231208T143349Z
UID:10007781-1702031400-1702035900@seasevents.nmsdev7.com
SUMMARY:Fall 2023 GRASP on Robotics: Marc Miskin\, University of Pennsylvania\, "Tiny Robots"
DESCRIPTION:This is a hybrid event with in-person attendance in Wu and Chen and virtual attendance on Zoom. \nABSTRACT\nNature routinely makes smart\, complex\, yet microscopically tiny machines. But how can humans do it? And can we do it in a way that is easy to design and understand? This talk is about building microscopic robots\, those too small to see with the naked eye. By co-opting semiconductor technology\, I’ll show how to build fully autonomous\, programmable micro-robots. These machines pack memory\, microprocessors\, communication systems\, sensors\, actuators\, and on-board power into a single package too small to see by eye. I’ll show several types of tiny robots including quadrupeds\, hexapods and even some that use solid-state electrokinetic propulsion mechanisms to swim. Finally\, I’ll discuss early applications\, including a project to regrow damaged nerves by using robots to literally pull them where they need to go.
URL:https://seasevents.nmsdev7.com/event/fall-2023-grasp-on-robotics-marc-miskin-university-of-pennsylvania-tiny-robots/
LOCATION:Wu and Chen Auditorium (Room 101)\, Levine Hall\, 3330 Walnut Street\, Philadelphia\, PA\, 19104\, United States
CATEGORIES:Seminar
ORGANIZER;CN="General Robotics%2C Automation%2C Sensing and Perception (GRASP) Lab":MAILTO:grasplab@seas.upenn.edu
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