News

Training students to create sustainable buildings

One of the greatest contributors to climate change is the built environment. Concrete production alone accounts for a significant share …

Co-Design Artificial Reef Structures that Help Harness Wave Energy

In the race to power the world with renewable energy, we look to an underutilized resource from the ocean: wave …

Winning the Fast Company’s 2024 WorldChangingIdeas award

We won the Fast Company’s 2024 WorldChangingIdeas award. “E-seeds: Autonomous Self-burying Seed Carriers for Aerial Seeding”, was recognized across four categories: Agriculture …

Shu Yang has been elected 2024 AAAS Fellow

Shu Yang has been elected 2024 AAAS Fellow mong more than 500 researchers honored for their “scientifically and socially distinguished …

Reducing food industry carbon emissions with advanced hybrid desiccant-wheel heat pump system

Aiming to reduce industrial carbon pollution and moving the country toward a net-zero emissions economy by 2050, a team of …

Reducing energy consumption in wood-drying through innovations in desiccant-coated kirigami heat exchangers and heat pump

Drying is an essential part of the product manufacturing industry, which accounts for up to 25% of the national energy …

Yang named “Inventor of the Year” by Penn Center for Innovation

Yang was named as “Inventor of the Year” by Penn Center for Innovation at their annual Celebration of Innovation event …

Graphene oxide composite fibers muscle in

Soft materials promise more dexterous, sensitive robotics but soft actuators are limited in strength and power density. Now researchers at …

Cut or No Cut: Algorithm for 2D-to-3D Engineering Integrates Art, Nature and Science

The team’s work takes inspiration from kirigami, an East Asian papercutting art, to create a mathematically sound method of cutting …

Turning Buildings into Carbon Storage Structures

The University of Pennsylvania will receive $2.4M in funding from the US Department of Energy Advanced Research Projects Agency-Energy (ARPA-E) …

Twisted liquid crystal elastomer ribbon

Twisted Soft Robots Navigate Mazes Autonomously

Autonomy is crucial for soft robotics that are constructed of soft materials. It remains challenging to create autonomous soft robots …

Making Faces (red) graphic

Universal inverse design of surfaces with thin nematic elastomer sheets

The Yang lab and collaborators transform a two-dimension sheets made from liquid crystal elastomers into complex three-dimensional geometries, such as …

Zheng-2020-AMTech-UV responsive fabric

Wearable UV Indicators from Photochromic Fibers and Yarns

Wearable sensors allow for continuous and real-time monitoring of the human health and potential environmental hazards such as ultraviolet (UV) …

Liu-2020-Trends in Chemistry

Responsive and Foldable Soft Materials

Stimulus-responsive soft materials that can enable folding of a 2D sheet into a 3D object have potential significant applications, including …

Smart window

Smart windows

Commonplace as they are, windows are an important piece of technology. Beyond architectural aesthetics, a building’s ecological footprint depends heavily …

Cho 2019 PNAS snail image

Intrinsically Reversible Superglues via Shape Adaptation Inspired by Snail Epiphragm

We often meet with this dilemma: material’s adhesion could be strong but not reversible, or it is reversible but not …

Liu & Gao-2020-Adv intelligent sys image

Soft Robots using Muscle-like Composite Actuators

Liquid crystal elastomers (LCEs), known for their reversible and anisotropic deformation, are promising candidates as embedded intelligent actuators in soft …

multiple molecules graphic

Molecular heterogeneity drives reconfigurable nematic liquid crystal drops

Liquid crystals are composed of rod- or disc-like molecules called mesogens, and, as a result of the alignment of these …

2021 Nat Mater broadband camouflage image

Broadband and Pixelated Camouflage by Exploiting Large Poisson Effect in Main-Chain Chiral Nematic Liquid Crystalline Elastomers

Inspired by cephalopod’s skin, the Yang lab creates an artificial chromatophore that can change colors instantly—from near-infrared to visible to …

2021 Nat Mater broadband camouflage image

Pixelated Broadband Camouflage

Shu Yang of the School of Engineering and Applied Science has developed an artificial chromatophore that can change colors on …

Threading high-performance, self-morphing building blocks across scales toward a sustainable future

Inspired by biological structural materials, Yang, Liang Feng (Penn Engineering, MSE) and Masoud Akbarzadeh (PennDesign, Architecture) have received $4.6M grant from National Science Foundation …

Doctor & nurse wearing origami maks

Open Medical (Our action to combat with COVID-19)

A team of medical device developers have come together to create a new respirator design to address the shortage of …

multiple molecules graphic

Drops of liquid crystal molecules branch out into strange structures

Researchers made a variety of shapes, including flowers (center) and corals. By changing the ratio of long- to short- rod-like …

Yang on Reducing Energy Use with Building Skins

Reducing Energy Use with Building Skins

In the heavily regulated building sector, innovative materials face a major disadvantage: building codes. For this reason, and because climate …

Snail on tree trunk

Superstrong, Reversible Adhesive That Works Like Snail Slime

A new study demonstrates a strong, reversible adhesive that uses the same mechanisms of adhesion as snails. When wet, the …

Emily Spencer and Gray DeSimone

Team Kirigami Won the 1st Place in Penn Engineering Senior Design Competition

Congrats to Emily Spencer and Gray DeSimone who won the 1st place in the Penn Engineering wide senior design competition …

Powering the Future with Giant Clams graphic

Powering the Future with Giant Clams

In 2014, Shu Yang, of the Materials Science and Engineering, joined School of Arts and Sciences’ biophysicist Alison Sweeney on …

Making Faces (red) graphic

Making Complex 3-D Surfaces with 2-D Sheets

Jiffy pop, an aluminum foil pan full of popcorn kernels and oil, is a staple of camping trips. Because of …

Making Atomic Thin Sheets Stand up for Better Energy Storage graphic

Making Atomic thin sheets stand up for better energy storage

When it comes to cell phones, there are fewer things more frustrating than a short battery life. Researchers at the …

Mimicking Giant Clams to Enhance the Production of Biofuel graphic

Mimicking Giant Clams to Enhance the Production of Biofuel

Alison Sweeney of the University of Pennsylvania has been studying giant clams. She refer to the clams as “solar transformers” …

Creating Ultra-lightweight Materials That Expand With Heat

Creating Ultra-lightweight Materials That Expand With Heat

When it comes to taking up room without adding too much weight, the bubble can’t be beat. Because they are …

Ge 2017 PNAS butterfly graphic

Surprising Insights Into the White Spots on Butterfly Wings

A collaboration between biologists and materials scientists at the University of Pennsylvania is yielding new insights into the wings of …

Nano shirt

Nanotech garment will gather health information through sweat

Wearable technology requires materials that are both flexible and functional, so developers often look to polymers or to make harder …

Color changing crystal

Penn Engineers Design Material That Could Help Diagnose Concussions

The precise link between concussions in sports, especially at the youth level, and traumatic brain injurie by soldiers is still …

Smart window

Penn Research Team Develops ‘Smart’ Window

Commonplace as they are, windows are an important piece of technology. Beyond architectural aesthetics, a building’s ecological footprint depends heavily …