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Professor Anatol Roshko Passes Away

01-23-17

Anatol Roshko (MS '47, PhD '52), Theodore von Kármán Professor of Aeronautics, Emeritus, at Caltech, passed away on January 23, 2017. Known for his research in several areas of gas dynamics and fluid mechanics, Professor Roshko made contributions to problems of separated flow, bluff-body aerodynamics, shock-wave boundary-layer interactions, shock-tube technology, and the structure of turbulent shear flows. With pioneering aerodynamics researcher Hans Liepmann, he coauthored the widely used textbook Elements of Gasdynamics, published in 1956. [Caltech story]

Tags: research highlights GALCIT EAS history Anatol Roshko

Tools and Techniques to Track and Study Methane

01-19-17

Methane is less prevalent in the atmosphere than fellow greenhouse gas carbon dioxide (CO2), but it presents more difficult challenges for researchers attempting to study it. Professor Wennberg, is working with colleagues from across Caltech to study methane and its effects on the globe and to pioneer tools and techniques needed to identify, track, and characterize the gas and its sources. One such colleague is Professor Vahala who has paved the way for the miniaturization of high-resolution spectrometers. His new soliton-based system is the basis for a new collaboration with Professor Frankenberg to apply dual-comb spectrometer to methane tracking and analysis. [Caltech story]

Tags: APhMS research highlights ESE Paul Wennberg Kerry Vahala Christian Frankenberg

Professor Colonius Elected Fellow of the Acoustical Society of America

01-03-17

Tim Colonius, Frank and Ora Lee Marble Professor of Mechanical Engineering, has been elected Fellow of the Acoustical Society of America for his contributions to numerical modeling of cavitation, medical acoustics, and aeroacoustics. [List of fellows]

Tags: honors MCE Tim Colonius

Professor Vaidyanathan Receives IEEE Signal Processing Society's Highest Award

12-22-16

P. P. Vaidyanathan, Professor of Electrical Engineering, has been selected to received the IEEE Signal Processing Society's highest award called the "Society Award" for his pioneering contributions to signal processing theory and education. The award honors outstanding technical contributions in a field within the scope of the Signal Processing Society and outstanding leadership within that field. [List of 2016 awardees] [Caltech story]

Tags: EE honors P. P. Vaidyanathan

The Future is Flat (For Lenses)

12-22-16

Andrei Faraon, Assistant Professor of Applied Physics and Materials Science, and colleagues have developed a system of flat optical lenses that can be easily mass-produced and integrated with image sensors, paving the way for cheaper and lighter cameras in everything from cell phones to medical devices. [Caltech story]

Tags: APhMS research highlights MedE Andrei Faraon

Building Better Batteries

12-19-16

Julia R. Greer, Professor of Materials Science and Mechanics, and colleagues have measured for the first time the strength of lithium metal at the nano- and microscale, a discovery with important implications for suppressing dendrite formation and improving lithium-ion batteries.  [Caltech story]

Tags: APhMS research highlights MedE MCE Julia Greer

Professor Gharib Receives Rotary Humanitarian STAR Award

12-15-16

Morteza Gharib, Hans W. Liepmann Professor of Aeronautics and Bioinspired Engineering; Director, Graduate Aerospace Laboratories, has received the 2016 Rotary Humanitarian STAR Award from the Rotary Club of Sierra Madre. The award honors outstanding humanitarian achievements in science and technology.

Tags: honors GALCIT MedE Morteza Gharib

A Birder in the Hand: Mobile Phone App Can Recognize Birds From Photos

12-14-16

Pietro Perona, Allen E. Puckett Professor of Electrical Engineering, and colleagues have developed the Merlin Bird Photo ID mobile app which uses machine-learning technology to identify hundreds of North American bird species it "sees" in photos. "This app is the culmination of seven years of our students' hard work and is propelled by the tremendous progress that computer-vision and machine-learning scientists are making around the world," says Professor Perona. "A machine that recognizes objects in images, like humans do, was a distant dream when I was a graduate student and now it's finally happening." [Caltech story]

Tags: EE research highlights CMS Pietro Perona

Professor Johnson Elected to National Academy of Inventors

12-13-16

William L. Johnson, Ruben F. and Donna Mettler Professor of Engineering and Applied Science, has been named fellow of the National Academy of Inventors (NAI). His research includes early pioneering work with metallic materials such as bulk metallic glasses, non-crystalline metals with an amorphous atomic structure and unusual engineering properties. Election as an NAI fellow is an honor bestowed upon academic innovators and inventors who have "demonstrated a prolific spirit of innovation in creating or facilitating outstanding inventions and innovations that have made a tangible impact on quality of life, economic development, and the welfare of society." [Caltech story] [NAI release]

Tags: APhMS honors William Johnson

Professor Tai Elected to National Academy of Inventors

12-13-16

Yu-Chong Tai, Anna L. Rosen Professor of Electrical Engineering and Mechanical Engineering; Executive Officer for Medical Engineering, has been named fellow of the National Academy of Inventors (NAI). He works on miniature biomedical devices including drug pumps, retinal implants, spinal cord implants, and more. He recently developed a device to count white blood cells that requires just a pinprick's worth of blood and processes samples in minutes. Election as an NAI fellow is an honor bestowed upon academic innovators and inventors who have "demonstrated a prolific spirit of innovation in creating or facilitating outstanding inventions and innovations that have made a tangible impact on quality of life, economic development, and the welfare of society." [Caltech story] [NAI release]

Tags: EE honors Yu-Chong Tai MCE. MedE