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Penn State Articles
Energy storage material for electric vehicles
The energy-storage goal of a polymer dielectric material with high energy density, high power density and excellent charge-discharge efficiency for electric and hybrid vehicle use has been achieved by a team of Penn State materials scientists. The key is a unique 3D sandwich-like structure that protects the dense electric field in the polymer/ceramic composite from dielectric breakdown. Their results are published in the Proceeding...
Self-healing textiles can neutralise chemicals
Someday, chemically protective suits made of fabric coated in self-healing, thin films may prevent farmers from exposure to organophosphate pesticides, soldiers from chemical or biological attacks in the field and factory workers from accidental releases of toxic materials, according to a team of researchers. "Fashion designers use natural fibers made of proteins like wool or silk that are expensive and they are not self-healing," said Melik...
Harnessing the power of photosynthesis
Identification of a gene needed to expand light harvesting in photosynthesis into the far-red-light spectrum provides clues to the development of oxygen-producing photosynthesis, an evolutionary advance that changed the history of life on Earth.
3D printing creates cartilage patches from bioink
Strands of cow cartilage substitute for ink in a 3D bioprinting process that may one day create cartilage patches for worn out joints, according to a team of engineers. "Our goal is to create tissue that can be used to replace large amounts of worn out tissue or design patches," said Ibrahim T. Ozbolat, associate professor of engineering science and mechanics. "Those who have osteoarthritis in their joints suffer a lot. We need a new alternative ...
3D printing introduces advances to membrane technology
A type of 3D printing will make it possible for the first time to rapidly prototype and test polymer membranes that are patterned for improved performance, according to Penn State researchers. Ion exchange membranes are used in many types of energy applications, such as fuel cells and certain batteries, as well as in water purification, desalination, removal of heavy metals and food processing.
Electronic material restores functions after it breaks
Electronic materials have been a major stumbling block for the advance of flexible electronics because existing materials do not function well after breaking and healing. A new electronic material created by an international team, however, can heal all its functions automatically even after breaking multiple times. This material could improve the durability of wearable electronics.
Penn State to lead next-gen planet finder
A Penn State-led research group has been selected by NASA's Astrophysics Division to build a $10-million, cutting-edge instrument to detect planets orbiting stars outside our solar system. The team, led by Suvrath Mahadevan, assistant professor of astronomy and astrophysics at Penn State University, was selected after an intense national competition.
Microfluidic devices rotate small organisms and cells
A method to rotate single particles, cells or organisms using acoustic waves in a microfluidic device will allow researchers to take three dimensional images with only a cell phone. Acoustic waves can move and position biological specimens along the x, y and z axes, but for the first time researchers at Penn State have used them to gently and safely rotate samples, a crucial capability in single-cell analysis, drug discovery and organism studies.
Research explores safer fuel for nuclear reactors
Michael Tonks, assistant professor of mechanical and nuclear engineering, Penn State, and director, Microstructure Science and Engineering Laboratory, Penn State, is involved with three projects through the Department of Energy's Nuclear Energy University Program (NEUP). These projects are exploring new materials for nuclear fuel, which could make current LWRs safer.
Science can link climate change with extreme weather events
Extreme weather events like floods, heat waves and droughts can devastate communities and populations worldwide. Recent scientific advances have enabled researchers to confidently say that the increased intensity and frequency of some, but not all, of these extreme weather events is influenced by human-induced climate change, according to an international National Academies of Science, Engineering, and Medicine report.
Movie machines may boost robot acceptance
Remembering robots from film portrayals may help ease some of the anxiety that older adults have about using a robot, according to Penn State researchers. In a study, older adults who recalled more robots portrayed in films had lower anxiety toward robots than seniors who remembered fewer robot portrayals, said S. Shyam Sundar, Distinguished Professor of Communications and co-director, Media Effects Research Laboratory.
New material reduces the cost of smartphones
When it comes to smartphones, tablet computers and television displays, one construction material dominates them all: Indium tin oxide (ITO). It has been used for the last 60 years, and is a key component for more than 90 percent of all such displays. But a potential competitor to ITO has just been discovered, one that is both highly transparent and extremely conductive. Its workings are detailed in the journal Nature Materials.
Drop of water self-heals a bioplastic
A drop of water self-heals a multiphase polymer derived from the genetic code of squid ring teeth, which may someday extend the life of medical implants, fiber-optic cables and other hard to repair-in-place objects, according to an international team of researchers from Pennsylvania State University.