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About
A Statement from Dean Vijay Kumar

Strategic Plan

History & Heritage

School Leadership

Advisory Boards

Administrative Offices

Community & Outreach

Communications & Resources
Admissions
Visit Penn Engineering

Undergraduate

Graduate

Doctorate

Online Education
Academics
Programs

Undergraduate

Graduate

Departments

Lifelong Learning

Entrepreneurship

Online Education
Engagement
Student Life

Global Opportunities

Career Development
Faculty & Research
Faculty Directory

Faculty Awards

Signature Initiatives

Centers & Institutes

Undergraduate Research

Collaboration

Endowed Professorships

Energy and the Environment
News & Events
Engineering News

Engineering Blog

Events

Penn Engineering Magazine

Newsletter

Identity Kit

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July 11, 2025

AI and Environmental Challenges

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Penn Engineers have developed an adjustable filter that can successfully prevent interference, even in higher-frequency bands.

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