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Why did we go to the Moon? Why does the Vatican support an astronomical observatory? These questions mask a deeper question: Why do individuals choose to spend their lives in pursuit of pure…
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Br. Guy Consolmagno Date
04/12/2018
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We discuss how the non-equilibrium driving forces introduced by the natural biological activity or by
physical self-propulsion mechanisms generically affect the structure, dynamics and phase behavior…
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Ludovic Berthier Date
04/19/2018
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We perform a stick-slip experiment to characterize avalanches for granular materials. In our experiment, a
constant speed stage pulls a slider which rests on a vertical bed of circular photoelastic…
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Aghil Abed Zadeh Date
04/20/2018
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We are taught to understand solids by considering ideal crystals. This approach becomes untenable as
the amount of disorder increases; for a glass with no well-defined long-range order, a crystal is…
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Sid Nagel Date
04/20/2018
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Though the systematic use of topology to understand defects in ordered matter is now nearly 50 years
old, the original work failed to completely characterize systems with broken translational order,…
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Randy Kamien Date
04/18/2018
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Symmetry breaking is a ubiquitous phenomenon that occurs spontaneously when a system is subjected
to variations in size and/or perturbations in terms of thermodynamic parameters. As a stochastic…
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Younan Xia Date
04/19/2018
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When conventional brittle materials break, long cracks form due to stress focusing at crack tips: a
phenomenon explained by Griffith in the 1920s. In this talk, we will discuss two types of systems…
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Xiaoming Mao Date
04/19/2018
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Biological assemblies in nature are seen as active matter due to their ability to perform intelligent
collective motion based on neighbor interactions and sometimes without any centralized control…
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Shankar Lalitha Sridhar Date
04/19/2018
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The evolution of multicellularity set the stage for sustained increases in organismal complexity. However,
a fundamental aspect of this transition remains largely unknown: how do simple clusters of…
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Shane Jacobeen Date
04/19/2018
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Animal cells in tissues are supported by biopolymer matrices, which exhibit highly nonlinear mechanical
properties. Here we show that this nonlinearity allows living contractile cells to generate a…
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Pierre Ronceray Date
04/19/2018
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