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DTSTART;TZID=America/New_York:20190122T104500
DTEND;TZID=America/New_York:20190122T114500
DTSTAMP:20260409T044352
CREATED:20190108T212551Z
LAST-MODIFIED:20190108T212551Z
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SUMMARY:MEAM Seminar: "Viewing Earth's Surface as a Soft Matter Landscape"
DESCRIPTION:The Earth’s surface is composed of a staggering diversity of particulate-fluid mixtures: dry to wet\, dilute to dense\, colloidal to granular\, attractive to repulsive particles\, laminar to turbulent flows\, and steady to highly-unsteady forcing. This material variety is matched by the range of relevant stresses and strain rates\, from rapid and catastrophic landslides to the slow relaxation of soil over geologic timescales. In this talk I illustrate the commonalities and challenges in understanding geophysical flows by highlighting two problems: gravity-driven downslope soil movement\, and fluid-driven particle transport in rivers. \nSoil on hillslopes slowly and imperceptibly creeps downhill\, but suddenly liquefies to produce landslides. The transition between creeping and flowing is a yield condition\, often defined in terms of the shear stress\, that depends on the characteristics of the soil and the geologic environment. We show that the nature of this transition\, however\, is general. Creep is the localized and erratic motion of soil grains below yield; because this kind of fragility is a generic consequence of disorder\, soil creep should be similar to amorphous glass. Indeed\, we find that the transition from creeping to landsliding is a continuous phase transition that follows predictions from glass transition models. The generality of this transition suggests that the onset of sediment transport in rivers should behave in a similar manner\, and we demonstrate that this is the case using laboratory experiments and simulations. Because the sediment transport rate rapidly increases for stresses above yield\, many landscapes such as rivers organize to be close to the yield point. In essence\, landscapes flicker back and forth across the glass transition. We explore several consequences of these dynamics for the sculpting of landscapes.
URL:https://seasevents.nmsdev7.com/event/meam-seminar-viewing-earths-surface-as-a-soft-matter-landscape/
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
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BEGIN:VEVENT
DTSTART;TZID=America/New_York:20190122T104500
DTEND;TZID=America/New_York:20190122T114500
DTSTAMP:20260409T044352
CREATED:20190117T134204Z
LAST-MODIFIED:20190117T134204Z
UID:10006140-1548153900-1548157500@seasevents.nmsdev7.com
SUMMARY:MSE Faculty Candidate Seminar: "Advanced methods and alternative materials to drive next-generation energy storage"
DESCRIPTION:
URL:https://seasevents.nmsdev7.com/event/mse-faculty-candidate-seminar-advanced-methods-and-alternative-materials-to-drive-next-generation-energy-storage/
LOCATION:Glandt Forum\, Singh Center for Nanotechnology\, 3205 Walnut Street\, Philadelphia\, PA\, 19104\, United States
CATEGORIES:Seminar,Faculty
ORGANIZER;CN="Materials Science and Engineering":MAILTO:johnruss@seas.upenn.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20190122T110000
DTEND;TZID=America/New_York:20190122T120000
DTSTAMP:20260409T044352
CREATED:20190110T182559Z
LAST-MODIFIED:20190110T182559Z
UID:10006121-1548154800-1548158400@seasevents.nmsdev7.com
SUMMARY:ESE Seminar: "Efficient Mid-Infrared Photodetection Using Graphene Plasmons at Room Temperature"
DESCRIPTION:In the history of materials development\, many classic materials (Si\, III-Vs\, organics\, etc.) which can be produced reliably at large scale eventually have found critical applications after decades of intensive research\, leveraging their distinctive properties. For example\, silicon dominates the field-effect-transistor technology because perfect dielectric-silicon interface can be readily realized. Organic materials are currently widely used in flat-panel displays\, because of their great light emitting properties and the availability of cost-effective production techniques. In this talk\, I will first discuss the unique properties of graphene\, the first two-dimensional material isolated about 15 years ago\, including ultralow heat capacity\, high mobility\, and weak electron-phonon coupling strength. Leveraging these unique properties\, I will then present an efficient mid-infrared photodetector based on graphene plasmons operational at room temperature. Since high-quality wafer-scale graphene can already be produced routinely\, such efficient mid-infrared photodetectors may find applications in high-speed thermal imaging and free-space communications.
URL:https://seasevents.nmsdev7.com/event/ese-seminar-efficient-mid-infrared-photodetection-using-graphene-plasmons-at-room-temperature/
LOCATION:Room 337\, Towne Building\, 220 South 33rd Street\, Philadelphia\, PA\, 19104\, United States
CATEGORIES:Seminar
ORGANIZER;CN="Electrical and Systems Engineering":MAILTO:eseevents@seas.upenn.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20190123T150000
DTEND;TZID=America/New_York:20190123T160000
DTSTAMP:20260409T044352
CREATED:20190104T210646Z
LAST-MODIFIED:20190104T210646Z
UID:10006113-1548255600-1548259200@seasevents.nmsdev7.com
SUMMARY:CBE Seminar: "Understanding and Characterizing How Nanostructured Surfaces Perturb Water Structure: Applications to the Prediction of Protein Interactions and the Design of Soft Materials"
DESCRIPTION:
URL:https://seasevents.nmsdev7.com/event/cbe-seminar-understanding-and-characterizing-how-nanostructured-surfaces-perturb-water-structure-applications-to-the-prediction-of-protein-interactions-and-the-design-of-soft-materials/
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:20190124T104500
DTEND;TZID=America/New_York:20190124T114500
DTSTAMP:20260409T044352
CREATED:20190104T211215Z
LAST-MODIFIED:20190104T211215Z
UID:10006114-1548326700-1548330300@seasevents.nmsdev7.com
SUMMARY:MSE Faculty Candidate Seminar: "Shedding Light on Pain Therapeutics: From Externally-Triggerable Drug Delivery Systems to Bioelectronics"
DESCRIPTION:
URL:https://seasevents.nmsdev7.com/event/mse-faculty-candidate-seminar-shedding-light-on-pain-therapeutics-from-externally-triggerable-drug-delivery-systems-to-bioelectronics/
LOCATION:Auditorium\, LRSM Building\, 3231 Walnut Street\, Philadelphia\, PA\, 19104\, United States
CATEGORIES:Seminar,Faculty
ORGANIZER;CN="Materials Science and Engineering":MAILTO:johnruss@seas.upenn.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20190124T150000
DTEND;TZID=America/New_York:20190124T163000
DTSTAMP:20260409T044352
CREATED:20190108T213146Z
LAST-MODIFIED:20190108T213146Z
UID:10006117-1548342000-1548347400@seasevents.nmsdev7.com
SUMMARY:The Jack Keil Wolf Lecture in Electrical and Systems Engineering: "The Invention of High Efficient Blue LEDs and Future Solid State Lighting"
DESCRIPTION:
URL:https://seasevents.nmsdev7.com/event/the-jack-keil-wolf-lecture-in-electrical-and-systems-engineering-the-invention-of-high-efficient-blue-leds-and-future-solid-state-lighting/
LOCATION:Glandt Forum\, Singh Center for Nanotechnology\, 3205 Walnut Street\, Philadelphia\, PA\, 19104\, United States
CATEGORIES:Distinguished Lecture
ORGANIZER;CN="Electrical and Systems Engineering":MAILTO:eseevents@seas.upenn.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20190125T110000
DTEND;TZID=America/New_York:20190125T120000
DTSTAMP:20260409T044352
CREATED:20190110T183238Z
LAST-MODIFIED:20190110T183238Z
UID:10006122-1548414000-1548417600@seasevents.nmsdev7.com
SUMMARY:MEAM/GRASP Seminar: "Geometric Biologically Inspired Robots that Span Industries from Medical to Manufacturing"
DESCRIPTION:The animal kingdom is full of both human and non-human animals worthy of investigation\, emulation and re-creation. As such\, my research group has created a comprehensive research program focusing on biologically-inspired robots\, and has applied them to search and rescue\, minimally invasive surgery\, and manufacturing. These robots inspire great scientific challenges in mechanism design\, control\, planning and estimation theory. These research topics are important because once the robot is built (design)\, it must decide where to go (path planning)\, determine how to get there (control)\, and use feedback to close the loop (estimation). A common theme to these research foci is devising ways by which we can reduce multi-dimensional problems to low dimensional ones for planning\, analysis\, and optimization. In this talk\, I will discuss our results in geometric mechanics\, Bayesian filtering\, and scalable multi-agent planning to support these reductions. This talk will also cover how my students and I commercialized these technologies by founding three companies: Medrobotics\, Hebi Robotics\, and Bito Robotics. In 2015\, the surgical snake robot from Medrobotics cleared the FDA and has begun to democratize the delivery of medical care in the US and Europe If time permits\, I will also discuss my educational activities\, especially at the undergraduate level\, with a course using LEGO robots\, and the role of entrepreneurism in University education.
URL:https://seasevents.nmsdev7.com/event/meam-grasp-seminar-geometric-biologically-inspired-robots-that-span-industries-from-medical-to-manufacturing/
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:20190125T110000
DTEND;TZID=America/New_York:20190125T120000
DTSTAMP:20260409T044352
CREATED:20190123T203842Z
LAST-MODIFIED:20190123T203842Z
UID:10006141-1548414000-1548417600@seasevents.nmsdev7.com
SUMMARY:ESE Seminar: "Hardware Acceleration in the World of Emerging Applications"
DESCRIPTION:Abstract: Semiconductor technology scaling coming to a screeching halt\, coupled with the explosion of data in almost every facet of our lives\, makes processing large volumes of data efficiently a critical problem to solve. In this talk\, I will highlight three main challenges in designing accelerators and demonstrate that domain-specific hardware acceleration and specialization can provide orders of magnitude in compute efficiency for emerging applications. I will introduce the concept of datatype acceleration\, where hardware primitives are designed to directly operate on already-defined software data structures and data containers\, and show that specializing both the compute and memory subsystem provides orders of magnitude improvements in performance and energy efficiencies. Creating specialized encapsulated data accesses and datapaths allows us to mitigate unnecessary data movement\, take advantage of traditional optimization techniques such as data and pipeline parallelism\, and consequently provide substantial energy savings while obtaining significant performance gains. As case studies for three emerging application domains\, I will briefly touch on accelerating database and graph analytics while offering in-depth examples in accelerating genomic analytics on the AWS EC2 F1 instances. As a vision for future hardware acceleration research\, I will demonstrate how to create an ecosystem that makes designing\, deploying\, and using custom hardware almost as easy as writing and using software.
URL:https://seasevents.nmsdev7.com/event/hardware-acceleration-in-the-world-of-emerging-applications/
LOCATION:Berger Auditorium (Room 13)\, Skirkanich Hall\, 210 South 33rd Street\, Philadelphia\, PA\, 19104\, United States
ORGANIZER;CN="Electrical and Systems Engineering":MAILTO:eseevents@seas.upenn.edu
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