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Made-to-Order Materials

09-06-13

Julia R. Greer, Professor of Materials Science and Mechanics, and colleagues have created nanostructured, hollow ceramic scaffolds, and have found that the small building blocks, or unit cells, display remarkable strength and resistance to failure despite being more than 85 percent air. The general fabrication technique the researchers have developed could be used to produce lightweight, mechanically robust small-scale components such as batteries, interfaces, catalysts, and implantable biomedical devices. [Caltech Release]

Tags: APhMS energy research highlights MedE health MCE Julia Greer

Counting White Blood Cells at Home

03-28-13

Yu-Chong Tai, Professor of Electrical Engineering and Mechanical Engineering, and colleagues have developed a portable device to count white blood cells that needs less than a pinprick's worth of blood and takes just minutes to run. The heart of the new device is a 50-micrometer-long transparent channel made out of a silicone material with a cross section of only 32 micrometers by 28 micrometers—small enough to ensure that only one white blood cell at a time can flow through the detection region. The stained blood sample flows through this microfluidic channel to the detection region, where it is illuminated with a laser, causing it to fluoresce. [Caltech Release]

Tags: EE research highlights MedE health Yu-Chong Tai MCE

An Engineering Art Exhibit

03-21-13

Hillary Mushkin, Visiting Professor of Art and Design in Mechanical and Civil Engineering, worked with a group of students taking her new media art history seminar (E/H/Art 89 - the first Caltech course cross-listed in engineering and humanities) to conceptualize, design and fabricate their own original new media artwork using technologies and fabrication methods of their own choice. Students created electroencephalogram (EEG) art, automatic drawing machines, conceptual art-inspired visualizations of mathematical concepts, interactive video projections, electronic instruments and other novel forms. [Photos of the exhibit]

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Tags: EE research highlights MCE CMS Hillary Mushkin

2013 Caltech Distinguished Alumni

03-19-13

Caltech has recognized four Engineering and Applied Science (EAS) graduates with the Distinguished Alumni Award, the highest honor regularly bestowed by the Institute. They are Y. C. L. Susan Wu (PhD '63 Aeronautics), Sébastien M. Candel (MS '69 and PhD '72 in Mechanical Engineering), Uma R. Chowdhry (MS '70 Engineering Science), and James R. Fruchterman (BS '80 Engineering and Applied Science, MS '80 Applied Physics). [Caltech Release]

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Tags: APhMS honors research highlights GALCIT MCE alumni

EAS Division Welcomes New Deputy Chair

02-08-13

Peter Schröder, Professor of Computer Science and Applied and Computational Mathematics, is the new Deputy Chair of the Division of Engineering and Applied Science. "I look forward to working with Peter over the next several years as we continue with our quest to remain a unique collaborative community of isolated singularities that sets a compelling model as a research and teaching institution," says Chair Ares Rosakis.

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Tags: research highlights Peter Schröder

Faulty Behavior

01-09-13

Nadia Lapusta, Professor of Mechanical Engineering and Geophysics, and colleagues have created new earthquake fault models showing that “stable” zones may contribute to the generation of massive earthquakes. "Lapusta and Noda's realistic earthquake fault models are critical to our understanding of earthquakes—knowledge that is essential to reducing the potential catastrophic consequences of seismic hazards," says Chair Ares Rosakis. "This work beautifully illustrates the way that fundamental, interdisciplinary research in the mechanics of seismology at Caltech is having a positive impact on society." [Caltech Release]

Tags: research highlights MCE Nadia Lapusta

Modeling Jet Engine Noise

11-06-12

Tim Colonius, Professor of Mechanical Engineering, and his group have been building models to understand how jet engines generate noise and the Office of Naval Research recently awarded him funding to develop a better way to control the din. “Now we are getting a much more detailed picture of the actual mechanism by which the turbulence makes the sound,” Colonius says. [E&S Article in pdf]

Tags: research highlights MCE Tim Colonius

Progress for Paraplegics

10-25-12

Joel W. Burdick, Richard L. and Dorothy M. Hayman Professor of Mechanical Engineering and Bioengineering, and Yu-Chong Tai, Professor of Electrical Engineering and Mechanical Engineering, are developing new technologies to expand their research which has enabled a paraplegic man to stand and move his legs voluntarily. The team has until now used intelligent guesswork to determine which stimuli might work best. But soon, using a new algorithm developed by Professor Burdick, they will be able to rely on a computer to determine the optimum stimulation levels, based on the patient's response to previous stimuli. This would allow patients to go home after the extensive rehab process with a system that could be continually adjusted by computer. [Caltech Release] [ENGenious Progress Report]

Tags: EE research highlights MedE health Yu-Chong Tai MCE Joel Burdick

Engineering with Impact

10-23-12

Guruswami (Ravi) Ravichandran is an expert on breakups—of ceramics and metals, not relationships. The John E. Goode, Jr., Professor of Aerospace and professor of mechanical engineering and the director of the Graduate Aerospace Laboratories at Caltech, Ravichandran will give a Watson Lecture about his work at the leading edge of impact mechanics on Wednesday, October 24. [Learn more about Prof. Ravichandran] [Notes from the Back Row]

Tags: research highlights GALCIT MCE Guruswami Ravichandran

Clean-Energy Research Accelerates

10-22-12

Caltech clean-energy research is accelerating thanks to the renovation of the Earle M. Jorgensen Laboratory. Transformed into a cutting-edge facility for energy science, the lab unites two powerhouse programs: the Resnick Sustainability Institute and the Joint Center for Artificial Photosynthesis (JCAP). "Our researchers are working with Caltech's chemists and chemical engineers to challenge the status quo and translate scientific discovery into clean-energy innovations that will directly benefit society for generations to come," says Chair Ares Rosakis. [Caltech Release]

Tags: energy research highlights Caltech infrastructure Jorgensen Renovation