Melissa Pappas

How the Environment Around Collagen Shapes Its Growth

News / September 2, 2026

Collagen helps form the scaffolding of the body’s tissues, but new research shows it doesn’t build those structures alone. Penn Engineers found that the physical properties of the surrounding environment can influence how collagen assembles, with implications for disease and biomaterials.

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The Hidden Waves at the Beach

News / August 17, 2026

At the beach, waves are everywhere — even the ones we can’t see. Penn Engineering’s Nader Engheta explains how electromagnetic waves shape what we see, feel and how marine animals navigate, revealing world of polarization, scattering and light beyond human vision.

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How a Soft Robotics Breakthrough is Revealing Stroke’s Earliest Moments

News / August 13, 2026

By the time most stroke patients arrive at a hospital, the earliest biological changes are already underway, making these first moments elusive and hard to investigate.   In the laboratory, researchers work with mouse models to study strokes, but existing techniques don’t allow them to continuously observe those first critical moments...

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A New Kind of Light Sail Brings Interstellar Travel One Step Closer

News / July 30, 2026

What if spacecraft could travel to nearby stars not with rockets, but by riding beams of light? Penn Engineers have developed an ultralight, highly reflective "light sail" that overcomes major engineering hurdles, bringing laser-powered interstellar travel one step closer to reality.

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Penn Electric Racing’s Comeback

News / July 29, 2026

Penn Electric Racing turned years of rebuilding into a standout performance at Formula SAE Electric, finishing 15th out of 108 teams while earning three first-place awards and a top-six design finish. The results reflect not only technical excellence, but the resilience and teamwork behind the team's comeback.

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How AI Could Make Autism Screening More Accessible

News / July 28, 2026

Researchers at Penn Engineering and the Kennedy Krieger Institute developed an AI system that measures motor imitation using ordinary video, bringing autism screening one step closer to real-world clinical use. The technology could make objective, accessible assessments available in more clinics, schools and homes.

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