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“Heftier” Atoms Reduce Friction at the Nanoscale, Study Led By Penn Researcher Reveals
PHILADELPHIA - A research team led by a University of Pennsylvania mechanical engineer has discovered that friction between two sliding bodies can be reduced at the molecular, or nanoscale, level by changing the mass of the atoms at the surface. Heavier atoms vibrate at a lower frequency, reducing energy lost during sliding.The study appears in the November issue of the journal Science.
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Julie Lawson
The Current Staff Photo credit: Mark Stehle WHO SHE IS: Assistant Conservator, Penn Museum YEARS AT PENN: 8 years. “Nine,” Lawson adds, “if you count internships.”
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Where the brain meets the law
Mark Stehle The emerging field of neuroscience has the potential to answer questions about human behavior, memory and emotion, and help us better understand criminal behavior and addiction.
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Setting up
Local 8 stagehand union workers drive stakes into the ground to support a stage in front of College Hall, which was set up for Homecoming weekend last month. Photo credit: Mark Stehle
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Penn Veterinarian Completes NIH Collaboration in First-Ever Sequencing of Domestic Cat Genome
PHILADELPHIA - A multi-center, National Institutes of Health-funded report that appears in the scientific journal Genome Research details the first assembly, annotation and comparative analysis of the domestic cat genome, Felis catus. A University of Pennsylvania researcher is on the team.
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The Penn Band & John Philip Sousa
Photo credit: University Archives He was America’s “March King,” so it was only fitting that John Philip Sousa paid several visits to the well-regarded Penn Band back in the day.
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Penn team reaches out with new climate-change project
Peter Petraitis has spent much of his career as a marine biologist studying the rocky shores of Maine. So he understands why some might be a tad confused that his latest project is taking him to Mongolia. Which is, after all, a landlocked country.
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How speech sounds convey meaning
Photo credit: Candace diCarlo Researchers have known for years that young children begin acquiring language-learning abilities from a very early age. The outstanding question has always been: How early?
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Penn's Autonomous Car "Little Ben" Advances to the Finals of the DARPA Urban Challenge
PHILADELPHIA - "Little Ben," the autonomous vehicle engineered by University of Pennsylvania and Lehigh University faculty and students to drive itself, has advanced to the finals of the 2007 DARPA Urban Challenge.
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Magical Muggle Museum
WHERE: Can you believe it’s been ten years since the release of J.K. Rowling’s “Harry Potter and the Sorcerer’s Stone?” Neither can the Penn Museum, which transforms into the Magical Muggle Museum this month in a day devoted to all things Harry Potter. WHEN: Sunday, Nov. 11, from 12:30 to 4:45 pm.