S
Shmuel M. Rubinstein
Researcher at Harvard University
Publications - 89
Citations - 3222
Shmuel M. Rubinstein is an academic researcher from Harvard University. The author has contributed to research in topics: Contact area & Slip (materials science). The author has an hindex of 23, co-authored 79 publications receiving 2527 citations. Previous affiliations of Shmuel M. Rubinstein include Weizmann Institute of Science & Hebrew University of Jerusalem.
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Kirigami skins make a simple soft actuator crawl
TL;DR: This work designed highly stretchable kirigami surfaces in which mechanical instabilities induce a transformation from flat sheets to 3D-textured surfaces akin to the scaled skin of snakes, and demonstrated that, when wrapped around an extending soft actuator, the buckling-induced directional frictional properties of these surfaces enabled the system to efficiently crawl.
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Detachment fronts and the onset of dynamic friction
TL;DR: It is shown that the onset of frictional slip is governed by three different types of coherent crack-like fronts: these are observed by real-time visualization of the net contact area that forms the interface separating two blocks of like material.
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Direct Observation of a Nonequilibrium Electro-Osmotic Instability
Shmuel M. Rubinstein,G. Manukyan,A.D. Staicu,Isaak Rubinstein,Boris Zaltzman,Rob G.H. Lammertink,Friedrich Gunther Mugele,Matthias Wessling +7 more
TL;DR: A visualization of the predicted instability in ionic conduction from a binary electrolyte into a charge selective solid is presented, mediated by the appearing vortical flow that increases with the applied voltage.
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Slip-stick and the evolution of frictional strength
TL;DR: This work shows how frictional strength evolves from the short times and rapid slip velocities at the onset of motion to ageing at the long times following slip arrest, and shows how the singular logarithmic behaviour generally associated with ageing is cut off at short times.
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Skating on a film of air: drops impacting on a surface.
John Martin Kolinski,Shmuel M. Rubinstein,Shreyas Mandre,Michael Brenner,David A. Weitz,Lakshminarayanan Mahadevan +5 more
TL;DR: The results show that the dynamics of impacting drops are much more complex than previously thought, with a rich array of unexpected phenomena that require rethinking classic paradigms.