# Faculty

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### How Love of Math Led to Studying 'Ethical Hacking' - and a Check for \$2.56

John Black

A love of mathematics and the knowledge that there aren’t many jobs that allow someone “to just do math” propelled John Black toward a career in cryptography – the study and practice of secure communications.

“I’ve always loved math; it’s a way to explore nature but is not obscured by subjectivity. It’s very pure,” Black says. “Cryptology is a way that I can do math that’s applied to something that people care about.”

### Growing up in the desert informs professor’s research in water management

Edie Zagona

As she grew up in the Sonoran Desert in Arizona, Edie Zagona learned how important water and nature’s cycles were to the land and its people. The lesson never faded.

### Civil Engineer Visits All the 'A' Places

Diane McKnight

Diane McKnight’s research has taken her to some of the most spectacular places on Earth, where she studies relationships between freshwater organisms, trace metals and natural organic material. One year, a student described her travels as “visiting all the ‘A’ places,” when she embarked on field work in Alaska, Antarctica and Africa.

Dejan Filipovic

### Building a Better (Micro) Bubble

Mark Borden

Champagne bubbles, bubble baths, Bubble Wrap, bubblegum . . . From food and drink to soap and packaging materials, bubbles offer us a variety of benefits from enjoyment to mind-bending functionality.

### Puzzling Out a Software Solution

Sriram Sankaranarayanan

Problem: There are 40 two-sided tiles lying on a table, including 30 on their white side and 10 on their black side. With the lights off so that you can’t see the colors, divide the tiles into two piles with the same number of black tiles in each pile.

### Simulations Open Window on Microscopic World

Arthi Jayaraman

Unlike most chemical and biological engineers, Arthi Jayaraman never gets her hands wet…at least, not in her lab. But as a highly successful teacher and researcher in CU-Boulder’s chemical and biological engineering department, she’s as passionate about chemistry and engineering as if she spent all her time handling test tubes.

### BioFrontiers Scientist Redefines Computer Science Education

Debra Goldberg

If you were alive during the late 1990’s you might have noticed a little era called the Dot-com Bubble. It was a time when internet-based companies like Amazon.com, and IT-focused companies like Cisco, rose to power. Generous venture capitalists and soaring stock prices sent many students running into the ranks of computer science, dreaming of a healthy paycheck and life-long job security.

### Researchers Unravel the Mystery of El Niño’s Link to the Indian Monsoon

Balaji Rajagopalan

For more than 100 years scientists have connected the variability of the summer monsoon rains in India to El Niño, a rise in sea surface temperatures in the equatorial Pacific having significant consequences for weather around the globe. But events in the last 25 years seem to have reduced forecasters’ ability to predict the monsoon to a mere roll of the dice.

### Xtreme Sensing — Center Develops Sensor Technology to Expand Knowledge of Environment

Al Gasiewski

CU engineers are collecting data on climate change and other environmental phenomena from the tropics to the Arctic Circle using sensing equipment developed at the Center for Environmental Technology.

### Chasing the Elegant Solution

Aaron Clauset

Stereotypes tell us that computer scientists are all about hardware, software and servers. They are all about sifting through crowded lines of code in the dim basement of the engineering school. If this is what you believe about computer scientists, Aaron Clauset is about to burst that misconception. An assistant professor in computer science and a faculty member of the BioFrontiers Institute, he is more interested in using computational tools to understand how complex biological and social systems work.

### Multi-Discipline Research Makes a Big Impact

Liz Bradley is a great professor because she loved being a student. The computer science professor graduated from MIT with three degrees, a BS, MS, and PhD in electrical engineering and computer science. And, while earning these degrees would be more than enough to earn bragging rights, Bradley earned her two graduate degrees while training as an Olympic rower. She took fifth place in the 1988 Olympic Games.

### Jana Milford Combines Engineering with Law to Promote Good Environmental Policy

Jana Milford

CU engineering students typically call her “professor,” but they might just as well start addressing her as “counselor.”

### Professor Leads Students in Providing Sustainable Solutions to the Developing World

Bernard Amadei has friends in Belize, Rwanda, Mali, Peru, and Nepal. And the list of countries doesn’t end there. His name is recognized in dozens of remote villages, from Asia to South America, as an engineer with a heart of gold.

Several years ago, the CU-Boulder professor of civil engineering visited a Mayan village in Belize, where he was struck by the fact that the girls could not go to school because they had to carry water all day from the river to their village. "It broke my heart, and I decided that I was going to do something about it," he recalls.

### Passion for Teaching Drives Professor to Focus on Most Effective Ways

Brian Argrow
For Professor Brian Argrow, being an aerospace engineer is about combining the excitement of science with the knowledge and skills to take a design project from conception to completion.  A passion for teaching drives him to implement the most effective ways to teach and to expand experiential opportunities for students.

### Kristi Anseth Recognized as Pioneer in Tissue Engineering

Kristi Anseth

If the name Kristi Anseth hasn't reached our collective consciousness as yet, just wait a bit. At just 35, Anseth is a nationwide leader in the study of biomaterials, and her work in creatively intersecting chemistry, biology, and engineering may one day lead to wide use of easily replaceable body parts for people suffering from injuries or chronic conditions.

### Zoya Popovic Continues Family Legacy in Electromagnetics

Zoya Popovic

CU Professor Zoya Popovic can trace her interest in electromagnetics back to her late father, Branko Popovic, who taught electrical engineering at the University of Belgrade, Serbia for some 40 years. She took his course in electromagnetics as part of her Dipl. Eng. degree there and went onto become a world-renowned expert in microwave antennas and circuits.

### Alan Weimer Continues R&D at CU After Successful Career in Industry

Alan Weimer

After earning his doctorate in chemical engineering at the University of Colorado in 1980, Alan Weimer went onto a successful 16-year career as a research engineer and team leader at Dow Chemical Co. He received numerous awards and several patents for his contributions in advanced materials, and his co-invention and development of the rapid carbothermal reduction process is now practiced commercially, underlying a \$1 billion tungsten carbide cutting tools business.

### Donna Gerren Brings a Wealth of Industry Experience to Her Students

Donna Gerren

One glance at the office of Donna Gerren, PhD, and you get a good idea of what she’s passionate about. Photos and models of airplanes of all kinds grace the walls and bookshelves many are gifts from grateful students.

### David Klaus Develops Focus on Bioastronautics Research and Teaching

David Klaus

Professor David Klaus understands first-hand why many students in aerospace engineering sciences aspire to be astronauts. He himself was an astronaut candidate finalist in 1998 and 2000.

"I've been fascinated by human space exploration since I was a young kid," Klaus says, "and feel fortunate to be able to play a role in bringing it about."

### Professor Creates Opportunities for Students to Assist Community and Environment

Angela Bielefeldt

In her nearly 10 years on the faculty at the University of Colorado at Boulder, Professor Angela Bielefeldt has shown a deep commitment to the interests of students as well as the larger community.

She teaches a variety of courses ranging from Introduction to Civil Engineering to graduate-level courses in hazardous waste and bioremediation, and received the Outstanding Teaching Award from the Association of Environmental Engineering and Science Professors in 2004.

### From Biomass to Biofuels: Finding the Best Path

Will Medlin

CU-Boulder assistant professor of chemical and biological engineering Will Medlin says the fact that many important industrial chemicals sell for \$25 per gallon or more makes chemical products the “low hanging fruit” in catalysis research and development.

But the bigger potential impact, he maintains—if researchers can get costs low enough—is the efficient conversion of biomass to biofuels that can power our transportation systems in a more sustainable way.

### Wind Technology Captures Attention as Part of Energy Initiative

Lucy Pao

Wind energy is the fastest growing source of renewable energy in the world with a projected annual growth rate of more than 20 percent, generating more than 15,000 additional megawatts per year. The United States alone increased its facilities by 4,000 megawatts in 2007, and Colorado is among the leading states with the sixth-largest wind power capacity in the country, according to the American Wind Energy Association.

### Novel Thermal Ground Plane to Improve Cooling in Electronic Devices

Ronggui Yang

Faculty expertise in micro- and nano-technologies has come together in a "perfect storm" at CU-Boulder, and the outcome promises to be anything but disastrous.

A new \$3.95 million grant from the Defense Advanced Research Projects Agency (DARPA), managed by Thomas Kenny of the Microsystems Technology Office, is likely to result in significant improvement in thermal management in electronic devices, one of the critical constraints on today’s consumer and military electronic systems.

### Getting Fit with Fun and IT

Katie Siek

You’ve seen the headlines: America is fat and getting fatter. More than one-third of adults in the United States are considered obese (another one-third are simply overweight), and rates are even higher among African American, Hispanic, and low-income populations, according to the Centers for Disease Control and Prevention.

### Insects Inspire CU-Boulder Assistant Professor’s Work in Robotics

Nikolaus Correll

﻿“Let’s change the world” was a message Nikolaus Correll often heard during his post-doctoral work at MIT, and he came to understand that this was not just another well-used phrase, but his life goal.

### Engineers Combine Modeling, Satellites to Track Greenhouse Gases

Daven Henze

﻿When NASA's Orbiting Carbon Observatory, or OCO-2, launches in 2013, there will be plenty of eyes anxiously watching it from Boulder. Among its array of followers is Daven Henze, an assistant professor of mechanical engineering in the department's air quality group.

Henze, who joined the CU faculty two years ago, uses scientific data from orbiting satellites to maintain and improve an "adjoint" model of the Earth's atmosphere. An adjoint model is one that traces atmospheric chemicals, like ozone and other greenhouse gases, backward to their source.

### Innovations in Laser Technology Offer Life-Changing Impact

Juliet Gopinath

A little over 50 years ago, CU graduate Theodore Maiman (EngrPhys '49) demonstrated the world's first working laser—the ruby laser—at Hughes Research Laboratories in Malibu, California.

Since then, lasers have become an integral part of our lives with applications in consumer electronics, communications, sensors, and medicine. Every compact disc player contains a semiconductor laser, and airplanes rely on laser gyroscopes for navigation, to name a few examples.

### Hybrid Aircraft Set for Takeoff with Launch of CU Company

Jean Koster

﻿Hybrid vehicles, which optimize the use of an electric motor and an internal combustion engine for power needs and energy conservation, may soon take flight with the leadership of a new company, Tigon EnerTec, spun off from CU-Boulder's aerospace engineering sciences department.

An engineering innovation that was initially dismissed by the aerospace community due to weight constraints and a long design cycle, the hybrid engine aircraft system is now gaining momentum thanks to the persistence of CU Professor Jean Koster and some enthusiastic students.

### Mechanically Conditioned Tissues Offer Hope for Better Healing

Stephanie Bryant

Anyone who has ever experienced a broken bone, torn muscle, or inflamed tendon can testify to the importance of exercise in proper healing.

From a science and engineering standpoint, however, there is much that isn't known about the physiological process known as "mechanotransduction."

"I'm really intrigued by how cells sense and respond to mechanical loading," says Assistant Professor Stephanie Bryant, who specializes in biomaterials and tissue engineering.

### Frank Barnes: Fifty Years and Counting

Frank Barnes

Sitting down with Frank Barnes is an education—not only in electro-magnetics, energy, and other areas of engineering, but also in history.

### Capsule Crawler Opens New Surgical Vistas

Mark Rentschler

The introduction of the “pill camera”—a tiny capsule containing a video-recording device that can be used to image the gastrointestinal tract—ushered in a new era in medical diagnostic procedures.

### A Half-Century Commitment to Education and Sustainability

Frank Kreith

Solar energy is enjoying widespread support today for the role it can play meeting our energy needs, but it hasn't always been that way. CU-Boulder Professor Emeritus Frank Kreith remembers clearly when Americans saw nuclear power as the hope of the future. With the motto "Atoms for Peace," President Dwight Eisenhower led the charge in 1953 to broadly apply nuclear power to the world's daily energy needs.

### "3-D Etch A Sketch" Enables Extreme Polymer Optics

Robert McLeod

Assistant Professor Bob McLeod has taken to calling his research equipment a "3-D Etch A Sketch," but it's definitely no child's toy.

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