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CARNEGIE MELLON AND NASA RESEARCHERS TO DEVELOP ROBOT THAT ILLUSTRATES HOW TO SEEK LIFE ON DISTANT PLANETS
10 April 2003 - Carnegie Mellon Universtity

A team of Carnegie Mellon University and NASA scientists will travel to the Atacama Desert in northern Chile in April to conduct research that will help them develop and deploy a robot and instruments that may someday enable other robots to find life on Mars.

A team of Carnegie Mellon University and NASA scientists will travel to the Atacama Desert in northern Chile in April to conduct research that will help them develop and deploy a robot and instruments that may someday enable other robots to find life on Mars.

The researchers will be using the Atacama, described as the most arid region on Earth, as a Martian analog.

The group is funded with a $3 million, three-year grant from NASA to the university's Robotics Institute. They are collaborating with scientists at Carnegie Mellon's Molecular Biosensor and Imaging Center who have a separate $900,000 grant from NASA to develop fluorescent dyes and automated microscopes that the robot will eventually use to locate various forms of life.

The project falls under NASA's Astrobiology Science and Technology for Exploring Planets or ASTEP program, which concentrates on pushing the limits of technology in harsh environments. NASA experts believe that by pushing the known limits of life on Earth scientists will be better prepared to search for life on other worlds.

"Our goal is to make genuine discoveries about the limits of life on Earth and to generate knowledge that can be applied to future NASA missions to Mars," said project leader David Wettergreen, a research scientist at Carnegie Mellon's Robotics Institute. "We will conduct three annual field experiments in the Atacama. Each time, an increasingly capable robot will use sensing and intelligence to find land forms or environmental conditions that could harbor life."

This year, the team will be using an autonomous, solar-powered robot named Hyperion to determine the optimum design, software and instrumentation for a new robot that will be used in the more extensive experiments to be conducted over the next two years.
In 2001, Hyperion was taken to Devon Island in the Canadian Arctic where it successfully demonstrated a concept called Sun-Synchronous Navigation. It tracked the sun as a source of power and explored its surroundings as it traveled continuously through a 24-hour period of daylight..

During this year's visit to the Atacama, researchers will focus on measurements and experiments with the robot's hardware and software components. They will test Hyperion as it travels through the desert and collect data with scientific instruments, including a fluorescence imager, near-infrared spectrometer and a high-resolution panoramic imager.

Wettergreen said that Hyperion would travel some 10 kilometers through the desert this year while the researchers study issues related to robotic autonomy. The robot's solar panels have been laid flat on top of its body for the upcoming experiments so it can capture the maximum amount of sunlight in the equatorial environment. In the Arctic, the panels were mounted vertically, like sails on a boat, because the sun was often low on the horizon.

A next generation robot, developed from the findings of this year's work, should perform 50 kilometers of autonomous traverse in the desert in 2004. In 2005, the final year of the project, a robot equipped with a full array of instruments should operate autonomously as it travels 200 kilometers over a two-month period. During this climactic journey, the robot should map sites where life is abundant, and then move into drier areas where life has not been detected.

In 2005, plans call for the science team to operate as if it were exploring Mars in a scenario that would include a time delay and limited communication. "We'll operate under the constraints of Martian exploration in order to better develop procedures for seeking life on another planet," Wettergreen said. "The robot will monitor its own power, balance, locomotion, communication and science operations as it goes. It needs to be able to move into unknown terrain using cameras and internal sensors, the same instruments and information that would be available to a robot exploring Mars."

In addition to Wettergreen, the Carnegie Mellon team heading to the Atacama includes William L. "Red" Whittaker, the Robotics Institute's Fredkin research professor and the project's principal investigator; Alan S. Waggoner, professor of biological sciences and director of Molecular Biosensor and Imaging Center; James P. Teza, research engineer; Michael D. Wagner, research programmer, and Robotics Institute doctoral students Christopher Urmson, Paul Tompkins, Denis Strelow and Vandi Verma.

Nathalie Cabrol, a planetary scientist at NASA's Ames Research Center and the SETI Institute, will lead the science team for the investigation of the Atacama. Members of the science team are geologists and biologists who study both Earth and Mars at institutions including NASA Ames and the Johnson Space Center, SETI Institute, Jet Propulsion Laboratory, the University of Arizona, the University of Tennessee, Carnegie Mellon and Universidad Catolica del Norte (Chile).

"Their role in the first-year campaign will be to become acquainted with the data sent by the rover and assess the validity of astrobiological exploration strategies that will be used in the 2004 and 2005 field campaigns and on future missions to search for habitats and life on Mars," said Cabrol.

Also under development is the capability for education and science communities to experience the mission through the EventScope interface (www.eventscope.org). EventScope converts data from rovers and orbiters into three-dimensional "virtual worlds" that realistically represent remote sites, enabling students to experience the mission from their classroom computers.

EventScope's team is directed by Peter Coppin, a research scientist at Carnegie Mellon's STUDIO for Creative Inquiry, and includes experts in software engineering, interactive art and educational technology working to develop next generation tools for public remote experience. The goal is to have hundreds of students participating remotely in the Atacama experiment by the end of 2005.

http://www.cmu.edu

About: Carnegie Mellon Universtity
The Carnegie Institution of Washington (www.carnegieinstitution.org) has been a pioneering force in basic scientific research since 1902. It is a private, nonprofit organization with six research departments throughout the U.S. Carnegie scientists are leaders in plant biology, developmental biology, astronomy, materials science, global ecology, and Earth and planetary science.

Since its founding in 1900 by industrialist and philanthropist Andrew Carnegie, Carnegie Mellon University has been a pragmatic institution, adapting rapidly to change. In fewer than 100 years it has changed its name three times--each transition marking a milestone in the institution's 20th century evolution.

Whether it was Carnegie Technical Schools, as it was in its first 12 years, Carnegie Institute of Technology, its name from 1912 to 1967, or Carnegie Mellon University, three primary purposes formed its foundation. Throughout this century, Carnegie Mellon has focused on delivering distinctive and first-quality education, fostering research, creativity and discovery, and using the new knowledge created on campus to serve our larger society.

When Arthur A. Hamerschlag served as the school's first president, Carnegie Technical Schools' 12 professors and six administrators sought to educate the sons and daughters of Pittsburgh workers for employment in the region's growing industries.

These educators served the vision of Carnegie by organizing into four faculties: the School of Science and Technology, the School of Fine and Applied Arts, the School of Apprentices and Journeymen, and the Margaret Morrison Carnegie School for Women.

In its earliest years, the institution served primarily part-time and undergraduate students. The faculty, many of whom did not have doctor's degrees, focused on teaching and curriculum development.

But research efforts began as early as 1916 when the Division of Applied Psychology of the Carnegie Institute of Technology developed rating scales for job placement. This rating system was used to classify two million men for placement in the armed forces during World War I. Research bureaus were organized in coal mining, nuclear physics, applied chemistry and metallurgy.

And by granting the nation's first undergraduate degree in drama in 1917, the institution began a tradition of leadership in the arts that spanned the century.

Through research and the education of its students during the administration of President Thomas S. Baker in the 1920s and '30s, the institution began its strong tradition of transferring knowledge and skills to industry and government.

Building on this firm foundation, the administration of President Robert E. Doherty introduced a new approach to education that would be used as a model by similar institutions around the nation. The Carnegie Plan for Professional Education, initiated in 1939-40, required engineering and science students to take a quarter of their courses in a new Humanistic and Social Relations sequence. In addition, its curriculum focused on teaching students problem-solving techniques, a hallmark of the Carnegie Mellon educational experience today.

While the Doherty administration has been credited with this educational innovation, it also oversaw growth in the institution's research capability. Between 1936 and 1950, the number of graduate students grew from 36 to more than 260. The research budget ballooned from $156,000 to $1 million.

In the 1950s, the newly formed Graduate School of Industrial Administration, endowed by William Larimer Mellon, emerged as one of the three or four best business schools in the nation. (In 2004 the school was renamed the David A. Tepper School of Business after benefactor and alumnus David Tepper (MBA '82).) Today, the school is recognized as a pioneer in the field of management science and one of the top business schools in the world.

The Warner administration oversaw the institution's burgeoning research enterprise. This period of research growth was aided by the work of the institution's Computation Center, founded in 1956 to provide computing services to the campus. A major grant from benefactor Richard K. Mellon in 1965 aided the establishment of a Computer Science Department, a department which would be the genesis of Carnegie Mellon's worldwide reputation in computer science.

By the end of the Warner administration and the start of the administration of President H. Guyford Stever in 1966, Carnegie Tech had most elements of a university. Its merger in 1967 with the Mellon Institute created Carnegie Mellon University and brought a $60 million endowment, extensive research facilities and renowned research personnel to the institution.

Five years later, President Richard M. Cyert (1972-90) began a tenure that was characterized by unparalleled growth and development. The university's research budget soared from about $12 million annually in the early 1970s to more than $110 million in the late 1980s. The work of researchers in new fields such as robotics and software engineering helped the university build on its reputation for innovative ideas and pragmatic solutions to the problems of industry and society. Carnegie Mellon began to be recognized as a truly national research university able to attract students from across the nation and around the world.

The Cyert administration stressed strategic planning and comparative advantage, pursuing opportunities in areas in which Carnegie Mellon could outdistance its competitors.

An archetypal example of this approach was the introduction of the university's "Andrew" computing network in the mid-1980s. This pioneering network, which linked all computers and workstations on campus, set the standard for educational computing and firmly established the university as a leader in the uses of technology in education and research.

Education and teaching also benefited in this period with the establishment of a University Teaching Center to improve faculty teaching and the renovation of many of the university's classrooms.

Cognizant of the university's heritage, President Robert Mehrabian (1990-97) invited alumni from the era of the institution's first president, Arthur A. Hamerschlag, to attend his inauguration in 1990. President Mehrabian emphasized Carnegie Mellon's traditional strengths in education, research and service to society while focusing on initiatives for leadership in the 21st century.

With the appointment of the university's first Vice Provost for Education, President Mehrabian placed renewed emphasis early in his administration on the quality of undergraduate education. He also moved aggressively to complete the most ambitious campus building plan since the Warner era. The University Center, which opened in August 1996, and the Purnell Center for the Arts, to be completed by the fall of 1999, are keys to enhancing the quality of life on campus, another priority of the Mehrabian administration.

Confronted by shrinking governmental support of university research, President Mehrabian diversified the university's research agenda. He stressed the need to build strong relationships with the business world, matching industry's needs with the university's areas of research strength. He also put new emphasis on productivity, improvement of administrative services and strategic management of university resources.

President Mehrabian established strong, new partnerships with the greater Pittsburgh community. He led a community-wide economic development initiative, spurred collaboration with primary and secondary schools, and worked closely with local community groups.

On April 15, 1997, Jared L. Cohon, former dean of Yale University's School of Forestry and Environmental Studies, was elected by the university's Board of Trustees to succeed President Mehrabian, who resigned to spend more time with his family in California.

"Since I was chosen, since this wonderful event has occurred, it has made me reflect on why you are choosing me," President Cohon said in his first speech to the university community. "And I've said to people since this was announced that the more I think about it, the more I realize how well I think this institution and I fit together. We'll see if that's true. I think it is.

"When I was at Johns Hopkins we used to always hold up Carnegie Mellon as an example," Cohon said. "So, for many years I've ... been jealous of what has been accomplished here across departmental lines. I celebrate that. I think it is so valuable in every aspect of this university and it will position Carnegie Mellon to be even better...."

During Cohon's presidency, Carnegie Mellon has continued its trajectory of innovation and growth. Today, President Cohon is leading implementation of a comprehensive strategic plan that aims to leverage the university's existing strengths to benefit society in the areas of biotechnology and the life sciences, information and security technology, environmental science and practices, the fine arts and humanities.

The university is also committed to broadening and enhancing undergraduate education to allow students to explore various disciplines while maintaining a core focus in their primary area of study. Realizing that today's graduates must understand international issues, Carnegie Mellon is committed to providing a global education for its students and is striving to expand its international offerings and to increase its presence on a global scale. Increasing diversity, in all aspects, and fostering the economic development of southwestern Pennsylvania, are also top priorities.

Over the years Carnegie Mellon's leaders have reflected Andrew Carnegie's original dedication and commitment to this institution. In his 1900 letter to the mayor of Pittsburgh establishing Carnegie Technical Schools, Andrew Carnegie wrote, "My heart is in the work." These words have been echoed by students, faculty and administrators throughout this century and they live on the Carnegie Mellon campus today.


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