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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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Eva Dyer

Eva Dyer

Rachleff Associate Professor

Bioengineering^Primary Computer and Information Science^Primary

Research Website

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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.