News & Events


Professor Greer Receives Sia Nemat-Nasser Early Career Award


Julia R. Greer, Assistant Professor of Materials Science and Mechanics, has been selected by the American Society of Mechanical Engineers (ASME) Materials Division Executive Committee to receive the 2011 Sia Nemat-Nasser Early Career Award for her research contributions in “physical origins of size-dependent mechanical properties in nano-scale solids”.

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Professor Shepherd Wins Literature Award for Outstanding Technical Paper


Joseph E. Shepherd, C. L. "Kelly" Johnson Professor of Aeronautics and Professor of Mechanical Engineering, and colleague Kazuaki Inaba have received the 2011 G.E.O. Widera Literature Award for their paper entitled Flexural Waves in Fluid-filled Tubes Subject to Axial Impact.  This award is given annually to one outstanding technical paper published in the ASME Journal of Pressure Vessel Technology. [Read the Paper]

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Cell-phone Medical Devices


Mani Chandy, Simon Ramo Professor and Professor of Computer Science; Deputy Chair for Education, and Julian J. Bunn, Principal Computational Scientist at CACR, are working with a group of Summer Undergraduate Research Fellowships (SURF) in CMS, EE, and MCE to building a collection of medical devices that can be connected to a cell phone. "We want to exploit cell-phone technology and the Internet to provide inexpensive health-care tests for the poor in remote rural villages," says Chandy. [Caltech Feature]

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Professor Andrade Recognized by the National Assembly of Ecuador


José E. Andrade, Associate Professor of Civil and Mechanical Engineering, will receive the Dr. Vicente Rocafuerte medal, for scientific and research accomplishments, from the National Assembly of the Republic of Ecuador

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Compaction Bands in Sandstone are Permeable


José E. Andrade, Associate Professor of Civil and Mechanical Engineering, and colleagues have analyzed X-ray images of Aztec sandstone and revealed that compaction bands are actually more permeable than earlier models indicated. Their paper provides the first permeability calculations based on actual rock samples taken directly from the field in the Valley of Fire, Nevada. They conclude that these formations are not as impermeable as previously believed, and that therefore their ability to trap fluids—like oil, gas, and CO2—should be measured based on 3D images taken from the field. [Caltech Press Release]

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S.O.S.! Surviving The Big Quake


Swaminathan Krishnan, Assistant Professor of Structural Engineering and Geophysics, is featured in an American Institute of Physics Discoveries and Breakthroughs Inside Science video to increase awareness about and appreciation for earthquakes.  [Watch the video

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French Republic Knights Professor Ravichandran


G. Ravichandran, John E. Goode, Jr. Professor of Aerospace and Professor of Mechanical Engineering, and Director of the Graduate Aerospace Laboratories (GALCIT) has been selected to receive the Chevalier de l'ordre des Palmes Académiques, which is the Knight grade of the French Republic's Order of Academic Palms. Founded by Napoleon in 1808 to honor educators and scholars,  this distinction recognizes eminent personalities who have made significant contributions to the development of French culture, science, and education.  

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Stimulating Electrode Array Assists Paraplegic Man to Stand and Move Legs Voluntarily


Joel W. Burdick, Professor of Mechanical Engineering and Bioengineering, and colleagues including Yu-Chong Tai, Professor of Electrical Engineering and Mechanical Engineering, have used a stimulating electrode array to assist a paralyzed man to stand, step on a treadmill with assistance, and, over time, to regain voluntary movements of his limbs. Using a combination of experimentation, computational models of the array and spinal cord, and machine-learning algorithms, Professor Burdick and his colleagues are now trying to optimize the stimulation pattern to achieve the best effects, and to improve the design of the electrode array. Further advances in the technology should lead to better control of the stepping and standing processes. [Caltech Press Release]

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Experiments Settle Long-Standing Debate about Mysterious Array Formations in Nanofilms


Sandra M. Troian, Professor of Applied Physics, Aeronautics, and Mechanical Engineering, and colleagues' experiments have confirmed which of three possible mechanisms is responsible for the spontaneous formation of three-dimensional (3-D) pillar arrays in nanofilms (polymer films that are billionths of a meter thick). "My ultimate goal is to develop a suite of 3-D lithographic techniques based on remote, digital modulation of thermal, electrical, and magnetic surface forces," Troian says. Confirmation of the correct mechanism has allowed her to deduce the maximum resolution or minimum feature size ultimately possible with these patterning techniques. [Caltech Press Release]

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Professor Greer Receives DOE Early Career Research Award


Julia R. Greer, Assistant Professor of Materials Science and Mechanics, has received a five-year award from the Department of Energy Office of Science's Early Career Research Program for her proposal entitled “Investigation of radiation damage tolerance in interface‐containing metallic nano structures”. These research awards provide incentives for exceptional researchers, during the crucial early career years, to focus on research areas that are a high priority for the Department of Energy and the Nation. [Caltech Feature]

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