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Tilting Windows

Modern office towers often have windows that jut out at odd angles. While attractive and energy efficient, such windows might get in the way of work unless theyre placed with the office occupants comfort in mind. Ihab M. K. Elzeyadi, an architecture student who won first prize in the Arts and Humanities division of the 1997 Graduate Research Exhibition, conducted a survey in three office buildings with different degrees of window tilt. His data showed that how close a person sat to the window, the spaciousness of the work area, and the perceived degree of order and stability had a significant effect on the workers visual comfort. Glare was one of the distractions reported. Elzeyadis conclusions, he said, can help architects design office buildings that are comfortable on the inside as well as impressive to look at from the street.

Habitable Moons

Last year, astronomers discovered Jupiter-sized planets orbiting several stars within 100 light years of Earth. "Giant, gaseous planets are unlikely to harbor terrestrial-type life," says Darren Williams, a graduate student in astronomy and astrophysics, "but their moons might conceivably be habitable." Williams, winner of the first-place award in Physical Sciences in the 1997 Graduate Research Exhibition, calculated size, distance from its sun, type of rotation, and depth of oceans needed to sustain earth-like life on such a moon. See "Worlds Beyond the Sun" in the January 1997 Research/Penn State.

Clean Cows

Kimberly A. Shafer-Weaver, a graduate student in veterinary science, won first prize in the Health and Life Sciences division of the 1997 Graduate Research Exhibition for her part in an ongoing effort to prevent mastitis in cows. See "Clean Cows" in this issue.


Practice Makes Perfect

"Why do people usually get better with practice?" asks Myeong-Ho Sohn, a graduate student in psychology and first-place winner in the Social and Behavioral Sciences division of the 1997 Graduate Research Exhibition. His studies of how people acquire skills showed that practice "did not always produce better performance." The "practice effect," he believes, may result from an interaction of two types of knowledge: one that makes people comfortable with the materials used, and another that leads to an understanding of the rules.

On Stage

"Storytelling is theatre in its oldest, simplest, and perhaps richest form," says Anthony Irons, a graduate student in theatre arts. Irons tied for first place in the Performance Option of the 1997 Graduate Research Exhibition for his adaptation of "The Farmer and the Snake." See "Uncle Remus Live" in this issue.



Habitable Moons

Last year, astronomers discovered Jupiter-sized planets orbiting several stars within 100 light years of Earth. "Giant, gaseous planets are unlikely to harbor terrestrial-type life," says Darren Williams, a graduate student in astronomy and astrophysics, "but their moons might conceivably be habitable." Williams, winner of the first-place award in Physical Sciences in the 1997 Graduate Research Exhibition, calculated size, distance from its sun, type of rotation, and depth of oceans needed to sustain earth-like life on such a moon. See "Worlds Beyond the Sun" in the January 1997 Research/Penn State.

Vibrating Wings

Rushing air usually separates from the top of an airplane's wings if the plane is climbing or diving at a steep angle. When aircraft take off or land, or when military jets make high-angle maneuvers, the air no longer flows smoothly over the wing, and the wing stops generating lift. Oguz Uzol and Todd Klaput, graduate students in aerospace engineering, mapped the way air rushes over a wing and quantified the separation of air from airfoil as the initial part of a study to see if piezoelectric surface act uators could be used to vibrate the airfoil and so actively control airflow. Uzol and Klaput won first prize in the Engineering division of the 1997 Graduate Research Exhibition. Their vibrating wings could eventually be used to make faster and more effective aircraft, propellors, and even submarines.

Scriabin's Preludes

Svetlana Brandt, a graduate student in music, tied for first place in the Performance Option of the 1997 Graduate Research Exhibition with her performance of eight preludes from "24 Piano Preludes, Op. 11," by Alexander Scriabin. "It was interesting to take a close look at the starting point of his evolution from late Romanticism to atonal music. While using many late Romantic techniques in Op. 11, Scriabin planted new seeds of advanced harmony, rhythm, and piano sonority."


Research/Penn State is published by the Vice President for Research. Contents copyright 1998 The Pennsylvania State University, University Park, PA 16802-3303. Contact the editor for permission to reprint.