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MSE Seminar: “Approaching the Intrinsic Limit in Transition Metal Dichalcogenide van der Waals Heterostructures”

Studying the intrinsic behavior 2D materials requires attention to both external and internal sources of disorder. This talk will first review the techniques used to create clean heterostructures with hBN to reduce environmental disorder. In graphene, ten years of progress has led to device performance now rivaling he highest-quality GaAs-based heterostructures. On the other hand, […]

BE Seminar: “Stem Cell Fate is a Touchy Subject” (Quinton Smith)

This event will be held on zoom - check email for link and passcode. Contact ksas@seas.upenn.edu with any questions. The success of regenerative cell therapy relies on the integration of a functional vascular system within the redeveloping tissue, to mediate the exchange of oxygen, nutrients and waste.  Although the advent of human induced pluripotent stem […]

MEAM Seminar: “Tackling Energy Sector Challenges with Interdisciplinary Research and Education Initiatives”

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

Tackling the energy sector’s pressing technological and workforce needs requires a multi-pronged approach. This talk will include a discussion of both technical research and educational approaches to address these needs. The educational initiatives include implementation of the Energy Fellows Program, a training and professional development program, as well as research on the varying perceptions of […]

ESE Seminar: “Electrical Digestive Engineering”

Zoom - Email ESE for Link jbatter@seas.upenn.edu

Gastrointestinal (GI) problems are the second leading cause for missing work or school after the common cold, giving rise to 10 percent of the reasons a patient visits their physician and costing $142 billion annually.  Although obstructions and infections are easy to diagnose, more than half of GI disorders involve abnormal functioning of the GI […]

CIS Seminar: “Recovering, manipulating and enhancing recorded speech (1905-2020)”

Zoom - Email CIS for link cherylh@cis.upenn.edu

This talk will survey several recent projects dealing with recorded speech. The first explores an optical process for recovering sound recorded onto postcards using a forgotten technology from more than a century ago. This involves scanning the postcard at multiple orientations using a flatbed scanner, and then reconstructing the fine scale surface texture of the […]

MSE Seminar: “III-V photovoltaic substrate reuse using fracture”

Controlled spalling of single-crystal semiconductors is an emerging technique which results in the rapid exfoliation of a thin, single-crystal layer by propagating fracture parallel to the wafer surface. Spalling fracture has been engineered to controllably and intentionally exfoliate thin film electronic devices from single-crystal semiconductors for the purposes of creating flexible devices or enabling substrate […]

Climate Week: Africa and Climate Change: Challenges and Solutions in a Globalized World

Speaker: Anthony Nyong, Director of Climate Change and Green Growth at the African Development Bank (AfDB) Speaker Bio: Bio: Professor Anthony Nyong is the Director of Climate Change and Green Growth at the African Development Bank. He has about 30 years of experience in environmental and natural resources management, environmental and social safeguards, renewable energy […]

CIS Seminar: “Engineering Approximate Computations”

Zoom - Email CIS for link cherylh@cis.upenn.edu

  There’s a new ecosystem of applications that integrates machine learning into a variety of tasks. Typical domains have included image recognition and natural language processing. However, these techniques have also spread to computer systems domains, such as program compilation, resource scheduling, and database query optimization, yielding new computer systems that learn from data to achieve […]

ESE Thesis Defense: “Constrained Learning and Inference”

Zoom - Email ESE for Link jbatter@seas.upenn.edu

Learning is a core component of the information processing and autonomous systems upon which we increasingly rely on to select job applicants, analyze medical data, and drive cars. As these systems become ubiquitous, so does the need to curtail their behavior. Left untethered, they are susceptible to tampering (adversarial examples) and prone to prejudiced and […]