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DTSTART;TZID=America/New_York:20190123T150000
DTEND;TZID=America/New_York:20190123T160000
DTSTAMP:20260409T081514
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:20190122T110000
DTEND;TZID=America/New_York:20190122T120000
DTSTAMP:20260409T081514
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:20190122T104500
DTEND;TZID=America/New_York:20190122T114500
DTSTAMP:20260409T081514
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:20190122T104500
DTEND;TZID=America/New_York:20190122T114500
DTSTAMP:20260409T081514
CREATED:20190108T212551Z
LAST-MODIFIED:20190108T212551Z
UID:10006116-1548153900-1548157500@seasevents.nmsdev7.com
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
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20190117T150000
DTEND;TZID=America/New_York:20190117T160000
DTSTAMP:20260409T081514
CREATED:20190110T181429Z
LAST-MODIFIED:20190110T181429Z
UID:10006119-1547737200-1547740800@seasevents.nmsdev7.com
SUMMARY:CIS Seminar: "What Should We Do With Persistent Main Memory?"
DESCRIPTION:Memory systems are on the verge of a renaissance: Scalable\, persistent main memories (e.g.\, Intel’s 3DXPoint) are the first new technology to enter the upper layers of the memory hierarchy in 50 years. They bring a fundamentally new capability (i.e.\, persistence)\, a dramatic increase in capacity\, and an array of complications (e.g.\, asymmetric read and write performance\, power limitations\, and wear out). This combination of characteristics raises a deceptively simple but fundamental question: What should we do with persistent main memory? In this talk\, I will describe several potential answers and the systems my group has built to help understand how different answers affect performance\, programmability\, and other aspects of system design. I’ll also highlight the central challenges that these memories present and try to summarize what we have learned about them. Finally\, I’ll describe what I see as the most interesting avenues for future work.
URL:https://seasevents.nmsdev7.com/event/cis-seminar-what-should-we-do-with-persistent-main-memory/
LOCATION:Wu and Chen Auditorium (Room 101)\, Levine Hall\, 3330 Walnut Street\, Philadelphia\, PA\, 19104\, United States
CATEGORIES:Seminar
ORGANIZER;CN="Computer and Information Science":MAILTO:cherylh@cis.upenn.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20190117T110000
DTEND;TZID=America/New_York:20190117T120000
DTSTAMP:20260409T081514
CREATED:20190108T212232Z
LAST-MODIFIED:20190108T212232Z
UID:10006115-1547722800-1547726400@seasevents.nmsdev7.com
SUMMARY:ESE Seminar: "Towards a Seamless Integration of Drones in Smart Cities: Communications and Security"
DESCRIPTION:The use of unmanned aerial vehicles (UAVs)\, popularly known as drones\, will be an integral component of emerging smart city applications ranging from delivery of goods to flying taxis. However\, a seamless deployment of such drone-based applications requires addressing technical challenges across communications\, security\, autonomy\, and control. In this talk\, we focus on the wireless communications and security challenges of drone-based systems. From a communications perspective\, UAVs can assume two roles: aerial base stations that enhance the coverage and capacity of wireless networks and flying users that require wireless cellular connectivity for enabling applications such as real-time streaming and item delivery. With this in mind\, we introduce a foundational framework for designing three-dimensional (3D) wireless cellular networks that incorporate both drone base stations and cellular-connected drone users. For this novel 3D model\, we study a number of key problems including drone deployment\, network planning\, and cell association. Then\, we turn our attention to the cyber-physical security challenges brought forward by the deployment of drones. In this area\, we present a holistic framework\, with foundations in behavioral game theory\, for addressing fundamental cyber-physical security problems pertaining to drone-based systems. In particular\, we show how notions of risk\, bounded rationality\, and uncertainty can influence the security of drone-based systems and we develop new game-theoretic solutions that explicitly account for such factors in security analyses. We conclude by an overview on our ongoing research activities that cut across the areas of cyber-physical systems\, wireless networks\, game theory\, machine learning\, security\, and control.
URL:https://seasevents.nmsdev7.com/event/ese-seminar-towards-a-seamless-integration-of-drones-in-smart-cities-communications-and-security/
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:20190117T104500
DTEND;TZID=America/New_York:20190117T114500
DTSTAMP:20260409T081514
CREATED:20190104T205657Z
LAST-MODIFIED:20190104T205657Z
UID:10006111-1547721900-1547725500@seasevents.nmsdev7.com
SUMMARY:MSE Seminar: "Respectful Workplaces + Implicit Bias"
DESCRIPTION:
URL:https://seasevents.nmsdev7.com/event/mse-seminar-respectful-workplaces-implicit-bias/
LOCATION:Auditorium\, LRSM Building\, 3231 Walnut Street\, Philadelphia\, PA\, 19104\, United States
CATEGORIES:Seminar
ORGANIZER;CN="Materials Science and Engineering":MAILTO:johnruss@seas.upenn.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20190115T104500
DTEND;TZID=America/New_York:20190115T114500
DTSTAMP:20260409T081514
CREATED:20190104T210307Z
LAST-MODIFIED:20190104T210307Z
UID:10006112-1547549100-1547552700@seasevents.nmsdev7.com
SUMMARY:MEAM Seminar: "Stretching the Boundaries of Medical Robotics"
DESCRIPTION:Abstract: My lab creates medical robots not only for minimally invasive surgery\, but also for targeted drug delivery and for tissue regeneration. This talk will describe three of our technologies. The first consists of tetherless robots that are powered\, controlled and imaged using an MRI scanner. These devices vary from patient-mounted needle-driving robots to capsules that can move inside fluid-filled body lumens. The second technology consists of a class of robot implants designed to apply traction forces over a period of weeks inside the body so as to induce the regeneration of soft tissues. Applications include lengthening the esophagus and bowel for the treatment of congenital defects and disease. The third is a type of continuum robot that is based on concentrically combining pre-curved superelastic tubes. We are using this technology to create multi-armed systems for intracranial endoscopic surgery. We are also developing endoscopically-guided catheters that can navigate autonomously inside the blood-filled beating heart.
URL:https://seasevents.nmsdev7.com/event/meam-seminar-stretching-the-boundaries-of-medical-robotics/
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:20190114T113000
DTEND;TZID=America/New_York:20190114T153000
DTSTAMP:20260409T081514
CREATED:20190104T155108Z
LAST-MODIFIED:20190104T155108Z
UID:10006105-1547465400-1547479800@seasevents.nmsdev7.com
SUMMARY:REACT@Penn 2019: Policy\, Technology and Science for Global Challenges
DESCRIPTION:This REACT@Penn meeting will be at the Perry World House and will bring together policy experts and researchers around the global challenges of water\, energy and health. Registration is free\, but please register in advance.
URL:https://seasevents.nmsdev7.com/event/reactpenn-2019-policy-technology-and-science-for-global-challenges/
LOCATION:Perry World House\, 3803 Locust Walk\, Philadelphia\, PA\, 19104\, United States
CATEGORIES:Meeting
ORGANIZER;CN="Materials Science and Engineering":MAILTO:johnruss@seas.upenn.edu
END:VEVENT
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