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Materials Science

Two Penn faculty elected American Physical Society Fellows
Ritesh Agarwal and Doug Jerolmack.

Ritesh Agarwal (left), Srinivasa Ramanujan Distinguished Scholar in Materials Science and Engineering, and Douglas Jerolmack, Edmund J. and Louise W. Kahn Endowed Term Professor of Earth and Environmental Science and professor of mechanical engineering and applied mechanics.

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Two Penn faculty elected American Physical Society Fellows

Ritesh Agarwal of the School of Engineering and Applied Science and Douglas Jerolmack of the School of Arts & Sciences and Penn Engineering have been elected by their peers in recognition of their contributions to the field.

2 min. read

Penn Engineers send quantum signals with standard internet protocol
Yichi Zhang wearing sunglasses in the Penn Engineering lab.

Yichi Zhang, a doctoral student in materials science and engineering, inspects the source of the quantum signal.

(Image: Sylvia Zhang)

Penn Engineers send quantum signals with standard internet protocol

Penn engineers have developed a “Q-Chip” (quantum-classical hybrid internet by photonics) signal which coordinates quantum and classical data and can run on the same infrastructure that carries everyday online traffic.

Ian Scheffler

2 min. read

Understanding atomic disorder and next-gen electronics
Imaging devices surround a material on a blue backlit surface.

A new class of 2D materials known as MXenes holds the key to next-generation applications, such as consumer electronics and medical devices. Now, collaborative research led by Zahra Fakhraai of the School of Arts & Sciences, Aleksandra Vojvodic of the School of Engineering and Applied Science, and their collaborators offers fundamental insights into the chemical and geometric mechanisms underlying the synthesis of these materials, a finding that could lead to cleaner, quicker energy conversion and storage for these devices. 

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Understanding atomic disorder and next-gen electronics

A Penn team has developed insight into the chemical and geometric mechanisms underlying the synthesis of new 2D materials, paving the way for next-gen devices, biomedical applications, and cleaner, quicker energy conversion and storage.

5 min. read

Beneath the surface: Diving into water’s hidden carbon-cleaning capabilities
3D rendering of water molecules on a copper surface.

Water molecules become increasingly disordered at the surface of a catalyst. Researchers found that this disordered interfacial water, shown transitioning from structured (left) to disorganized (right), plays a key role in speeding up the conversion of carbon monoxide into ethylene, a valuable fuel and chemical building block.

(Image: Courtesy of Shoji Hall)

Beneath the surface: Diving into water’s hidden carbon-cleaning capabilities

Penn materials scientist Shoji Hall and colleagues have found that manipulating the surface of water can allow scientists to sustainably convert greenhouse gases like carbon dioxide and carbon monoxide to higher energy fuel sources like ethylene.

5 min. read

Designing cleaner, greener concrete
Masoud Akbarzadeh holding up one of the fabricated materials.

The Polyhedral Structures Laboratory is housed at the Pennovation Center and brings together designers, engineers, and computer scientists to reimagine the built world. Using graphic statics, a method where forces are mapped as lines, they design forms that balance compression and tension. These result in structures that use far fewer materials while remaining strong and efficient.

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Designing cleaner, greener concrete

Penn engineers, materials scientists, and designers have developed a 3D-printed concrete solution based on diatomaceous earth that has enhanced carbon capture, is stronger, and uses fewer materials like cement.

6 min. read

Penn Engineers examine the fracture mechanics of 3D graphene structures

Penn Engineers examine the fracture mechanics of 3D graphene structures

A new study from teams in the labs of Penn Engineering’s Ottman Tertuliano and Robert Carpick describes a new, 3D auto-kirigami deformation of graphene, one of the strongest materials known to science, and how the process could be used to transform 2D graphene into 3D structures.

New 3D-printing enables color-changing, stress-responsive materials for smart sensing, displays, and robotics
A Penn engineering student holds up an array of different structures made with a new, 3D-printed material

Alicia Ng, a Ph.D. student in materials science and engineering holds up an array of different structures made with a new, 3D-printed material that changes color when stretched.

(Image: Penn Engineering Today)

New 3D-printing enables color-changing, stress-responsive materials for smart sensing, displays, and robotics

Penn engineers have developed a transparent silicone shell to preserve cholesteric liquid crystal elastomers—color-changing materials that can respond to mechanical stress—while supporting intricate 3D designs.

Melissa Pappas

2 min. read

Penn engineers first to train AI at lightspeed
Tianwei Wu (left) and Liang Feng (right) demonstrating some of the apparatus used to develop the new, light-powered chip.

Tianwei Wu (left) and Liang Feng (right) demonstrating some of the apparatus used to develop the new, light-powered chip.

(Image: Sylvia Zhang)

Penn engineers first to train AI at lightspeed

Penn engineers have developed the first photonic chip that reshapes how light behaves to carry out the nonlinear mathematics at the heart of modern AI while reducing energy use.

Ian Scheffler

2 min. read

Baseball’s ‘magic mud’
 A jar of Lena Blackburne Baseball Rubbing Mud sits on a table beside a muddy, dirty baseball.

Lena Blackburne’s legendary baseball rubbing mud has been a game-day staple for nearly a century, helping Major League pitchers achieve a better grip. Now, researchers at the University of Pennsylvania have scientifically confirmed its friction-enhancing properties, revealing its significance not just in baseball, but also in the broader field of materials science.

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Baseball’s ‘magic mud’

Douglas Jerolmack and Paulo Arratia led research that could someday crack the code of the mud smeared on baseballs for nearly a century that pitchers profess provides a perfect grip.

3 min. read