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Noise-Canceling Optics

10-10-16

Changhuei Yang, Professor of Electrical Engineering, Bioengineering, and Medical Engineering, and colleagues have created the visual analogue of noise-canceling headphones—a camera system that can obtain images of objects obscured by murky media, such as fog or clouds, by canceling out the glare. Their device selectively cancels the scattered light, leaving only the light that is reflected or bounced off the objects and has slipped back through the murk unmolested. [Caltech story]

Tags: EE research highlights Changhuei Yang MedE

Your Future is Calling

10-03-16

Professor Morteza Gharib was one of the speakers at a recent symposium celebrating the Caltech–City of Hope Biomedical Research Initiative which provides seed grants to accelerate the development of basic scientific research and its translation into biomedical applications. Professor Gharib’s presentation was focused on measuring the ejection fraction, the fraction of blood that is ejected from the heart with each heartbeat. The group has designed a small piece of hardware that can connect to an iPhone and calculate a patient's ejection fraction—for less than $8. The device, called Vivio, gives comparable results to a cardiac magnetic resonance imaging, the gold standard in the medical industry for measuring heart health. [Caltech story]

Tags: research highlights GALCIT MedE Morteza Gharib

Open Online Course on Quantum Cryptography

09-29-16

Thomas Vidick, Assistant Professor of Computing and Mathematical Sciences, is co-teaching a massive open online course (MOOC)—CS/Ph 120, Quantum Cryptography—focused on the ways in which quantum mechanics can be used to create secure lines of communication. "It's a hot topic, but there are very few resources for people wanting to go beyond just the basics. Very few schools will even have a quantum cryptography course," Vidick says. [Caltech story] [Vidick blog]

Tags: CMS IST Thomas Vidick teaching

Mechanics of Materials Across Nano to Geological Time and Length Scales

09-29-16

A symposium was organized at Brown University on September 16-17, 2016 to celebrate the technical contributions of Professor Ares Rosakis on the occasion of his 60th birthday. The symposium was chaired by Professors Pradeep Guduru, Huajian Gao, and G. Ravichandran. It brought together distinguished engineers and scientists from multiple disciplines to discussion research frontiers relating to the mechanics of materials across nano to geological time and length scales. [Symposium program] [Photos]

Tags: research highlights Guruswami Ravichandran Ares Rosakis Pradeep Guduru Huajian Gao

Modular Space Telescope Could Be Assembled By Robot

09-28-16

Professor Sergio Pellegrino and colleagues including Professor Joel Burdick, are proposing a space observatory with a 100 meters diameter primary mirror. Their design calls for the use of more than 300 deployable truss modules that could be unfolded to form a scaffolding upon which a commensurate number of small mirror plates could be placed to create a large segmented mirror. In this concept, a spider-like, six-armed "hexbot" would assemble the trusswork and then crawl across the structure to build the mirror atop it. [Caltech story]

Tags: research highlights GALCIT MCE Sergio Pellegrino Joel Burdick

James J. Morgan Symposium

09-23-16

On Friday September 23rd, 2016 the Environmental Science and Engineering Department hosted a day-long tribute to James J. Morgan, Marvin L. Goldberger Professor of Environmental Engineering Science, Emeritus. The symposium featured a series of presentations by his former students and leaders in the field of aquatic chemistry. Professor Morgan’s teaching and research centered on aquatic chemistry; major themes comprised rates of abiotic manganese oxidation on particle surfaces and flocculation of natural water particles, and chemical speciation proved the key. He came to Caltech as Associate Professor of Environmental Health Engineering in 1965 and became the Goldberger Professor of Environmental Engineering Science in 1987. He has served Caltech in a variety of capacities including Academic Officer for Environmental Engineering Science, Dean of Students, Executive Officer for Environmental Engineering Science, Acting Dean of Graduate Studies, and Vice President for Student Affairs. [A Conversation with James J. Morgan] [Symposium program]

Tags: research highlights EAS history ESE James Morgan

Professors Newman and Orphan Named MacArthur Fellows

09-21-16

Environmental Science and Engineering Professors Dianne Newman and Victoria Orphan have been selected as 2016 MacArthur Fellows. Professor Newman's research focuses on microbial stress responses, with an emphasis on mechanisms of energy generation and survival when oxygen is scarce. Professor Orphan studies the molecular microbial ecology of anaerobic communities with a particular focus on microorganisms that live in deep-ocean sediment beds and consume large quantities of methane released from seeps in the ocean floor. [Caltech story]

Tags: honors research highlights ESE Dianne Newman Victoria Orphan

Graduate Student Wins Best Paper Prize

09-19-16

Electrical Engineering graduate student Chun-Lin Liu, working with Professor Vaidyanathan, has received the best paper prize for his paper entitle, “High Order Super Nested Arrays". The prize was presented to him at the 2016 IEEE Sensor Array and Multichannel Signal Processing Workshop. [Read the paper]

Tags: EE honors research highlights P. P. Vaidyanathan Chun-Lin Liu

New Breed of Optical Soliton Wave Discovered

09-06-16

Kerry Vahala, Ted and Ginger Jenkins Professor of Information Science and Technology and Applied Physics, and colleagues have discovered a new type of optical soliton wave that travels in the wake of other soliton waves, hitching a ride on and feeding off of the energy of the other wave. Solitons are localized waves that act like particles. Professor Vahala likens these newly discovered solitons to pilot fish, carnivorous tropical fish that swim next to a shark so they can pick up scraps from the shark's meals. And by swimming in the shark's wake, the pilot fish reduce the drag of water on their own body, so they can travel with less effort. [Caltech story]

Tags: APhMS research highlights Kerry Vahala

Professor Pierce Elected Eastman Visiting Professor at Oxford

08-31-16

Niles A. Pierce, Professor of Applied & Computational Mathematics and Bioengineering, has been elected to the 74th Eastman Visiting Professorship at the University of Oxford. Professor Pierce is working to engineer molecular instruments capable of reading out and regulating the state of endogenous biological circuitry from within intact organisms. The Eastman Professorship is one of the world's most respected visiting professorships, bringing a distinguished American scholar to Oxford each year. It was established in 1929 from an endowment established by George Eastman, the founder of the Eastman Kodak Company. The Eastman Professorship has previously been held by four Caltech professors: Linus Pauling (1948), George Beadle (1958-59), J.F. Bonner (1963-64), and Harry Gray (1997-98).

Tags: honors CMS Niles Pierce