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About
A Statement from Dean Vijay Kumar

Mission, Vision and Values

History & Heritage

School Leadership

Advisory Boards

Administrative Offices

Communications & Resources
Admissions
Visit Penn Engineering

Undergraduate

Graduate

Doctorate

Online Education
Academics
Programs

Undergraduate

Graduate

Departments

Lifelong Learning

Entrepreneurship

Online Education
Engagement
Student Life

Community & Outreach

Global Opportunities

Career Development
Faculty & Research
Faculty Directory

Faculty Awards

Signature Initiatives

Centers & Institutes

Undergraduate Research

Collaboration

Endowed Professorships

Energy and the Environment

Open Faculty Positions

NAE Members
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Big Ideas

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Engineering News

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Xue Sherry Gao

Xue (Sherry) Gao

Presidential Penn Compact Associate Professor

Bioengineering Chemical and Biomolecular Engineering^Primary

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The Secrets of Baseball’s “Magic Mud”

The Secrets of Baseball’s “Magic Mud”

Researchers at Penn Engineering have revealed the unique properties of baseball’s famed “magic” mud.

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Penn is one of the world’s leading research Universities, with an annual expenditure of $1.37 billion that spans multiple disciplines, including medicine, technology, business, and natural science.