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    • LAMP Seminar: “Walking and Winking: Studying the Water-to-land Transition to Understand How Functional Innovations Evolve”

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

    This seminar will explore two complementary lines of research on the evolutionary transition from water to land. First, I will present new discoveries from the fossil record of early tetrapods that provide insight into how walking first evolved. Then, I will discuss how studies of mudskippers, small amphibious fishes that live in mangroves and on […]

    MEAM Seminar: “Multiscale Fatigue Fracture of Hierarchical Additively Manufactured Alloys”

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

    Most mechanical failures are caused by fatigue, where damage accumulates gradually during sub-critical cyclic loading. Yet despite nearly two centuries of study, the microstructural origins of fatigue fracture remain elusive. Bioinspired hierarchical alloys enabled by additive manufacturing offer a promising route to systematically design fatigue-resistant materials. However, it remains unclear how discrete structural constituents independently […]

    MEAM Seminar: “Macroscopic Instabilities and Domain Formation in Pneumatically Actuated Porous Elastomers”

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

    In recent decades the use of soft materials as ‘active’ materials, especially as soft actuators for robotics applications, has grown. One thrust of work has focused on the use of porous elastomers, with direct control of the pore pressure as the actuation mechanism. Motivated by this interest, we investigate here the behavior of porous elastomeric […]

    • MEAM Seminar: “Additive Manufacturing of Electronic Skins and Musculofascial Multifunctional Structures”

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

    Materials of the future require burgeoning combinations of outstanding properties (e.g.’s, mechanical, electrical, and stimuli-responsiveness). My talk will cover two broad examples of current and ongoing work from our group towards this effort. The first example will cover our work on designing liquid metal emulsions for 3D printed soft conductors and electrochemically active materials to […]