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MEAM Seminar: “Electrets, Magnetics and Deformation in Soft Materials”

Zoom - Email MEAM for Link peterlit@seas.upenn.edu

Soft robotics, energy harvesting, large-deformation sensing and actuation, are just some of the applications that can be enabled by soft dielectrics that demonstrate substantive electromechanical coupling. Imagine now also a material that will produce electricity and deform substantively via a contactless, wireless magnetic signal. Unfortunately, truly soft, naturally occurring piezoelectric or magnetoelectric materials essentially do […]

MEAM PhD Thesis Defense: “Analytical Homogenization Estimates for the Effective Properties and Field Statistics of Viscoplastic Composites and Particle Suspensions”

Zoom - Email MEAM for Link peterlit@seas.upenn.edu

Heterogeneous materials are commonly found in nature (e.g. soil, rock, blood) and engineering applications (e.g. paints, lubricants, sintered materials). Understanding the microstructure-properties relations is crucial to predicting how these materials fail and behave during processing. In this thesis, we develop semi-analytical homogenization estimates for the macroscopic properties and field statistics of viscoplastic composites. A generalization […]

ESE Fall Colloquium Seminar – “Toward Practical Quantum Advantage: Many-body Physics in the NISQ Era”

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

Quantum processors of today are already capable of surpassing classical supercomputers on certain specialized tasks . A current milestone for the quantum information science community is the fulfilment of quantum computational advantage on a practical problem of interest. The beginning of this talk will outline our technical progress on realizing various high-fidelity quantum gates on […]

PICS Student Seminar: “Keshav Patil and Yansong Gao”

Zoom - email kathom@seas.upenn.edu

Yansong Gao Title: "A Free-Energy Principle for Representation Learning" Keshav Patil Title: "Altered protein dynamics delineates the oncogenic potential of various kinase mutations" On Wednesday, October 6 at 12:00, PICS will host a virtual student seminar featuring Yansong Gao, a 4th year PhD in the Chaudhari group; and Keshav Patil, 4th year PhD in the […]

CBE Seminar: “Electrolytes for High Energy Li-ion and Li Metal Batteries”

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

Abstract Electrolytes are critical enabling components for Li-ion batteries to safely operate within a wide temperature range, under extreme fast charging, and under intense abuse conditions without sacrificing energy density and cycle life. Current electrolytes cannot satisfy these requirements. We developed advanced all-fluorinated electrolytes, water-in-sale (WIS) electrolytes and solid-state electrolytes aiming to simultaneously enhance cell […]

MSE Seminar: “Metals and Alloys: A Critical Weapon in the Fight against Climate Change”

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

Today in the U.S., we deal with the severe, wide ranging effects of climate change from the West to East Coast in the form of heat waves, drought, wildfires, and flooding. To end these disasters, we need to drastically change the way we produce and use energy. For example, in 2020, over 72 % of […]

GRASP on Robotics: “Motion Planning for Autonomy: Successes and Challenges Ahead”

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

The past two decades have witnessed incredible advances towards the design of autonomous systems. This talk will discuss the role of motion planning in yielding solutions for an agent that is able to execute a variety of tasks in a variety of settings. Problem decomposition has been and remains a difficult task, and motion planning […]

POSTPONED: PSOC@Penn Seminar: Morgan Huse

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

Room: Towne 225/Raisler Lounge For zoom link, contact manu@seas.upenn.edu.

Tedori-Callinan Lecture: “Resist Fatigue by De-concentrating Stress”

Zoom - Email MEAM for Link peterlit@seas.upenn.edu

Most materials suffer from a disease: fatigue. Symptoms include degradation of properties and growth of cracks under cyclic stretch. These materials are unfit for applications involving prolonged and cyclic loads. A crack grows in a material because the crack tip concentrates stress. Recently, we have been developing fatigue-resistant materials by de-concentrating stress, through mechanisms at […]

CIS Seminar:”David V.S. Goliath: the Art of Leaderboarding in the Era of Extreme-Scale Neural Models”

Scale appears to be the winning recipe in today's leaderboards. And yet, extreme-scale neural models are still brittle to make errors that are often nonsensical and even counterintuitive. In this talk, I will argue for the importance of knowledge, especially commonsense knowledge, and demonstrate how smaller models developed in academia can still have an edge over larger industry-scale models, if powered with knowledge. […]