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Carbon-fiber smart plastic: Self-healing, shape-shifting and stronger than steel
Aerospace engineering and materials science researchers at Texas A&M University have uncovered new properties of an ultra-durable, recyclable, smart plastic—paving the way for transformative applications in the defense, aerospace and automotive industries.
The research, published in Macromolecules and the Journal of Composite Materials, was led by Dr. Mohammad Naraghi, director of the Nanostructured Materials Lab and professor of aerospace engineering at Texas A&M, in close collaboration with Dr. Andreas Polycarpou at The University of Tulsa.
Their work explored the mechanical integrity, shape-recovery and self-healing properties of an advanced carbon-fiber plastic composite called Aromatic Thermosetting Copolyester (ATSP).
Singularities are Inevitable, Physicist Claims
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According to Einstein’s theories, the universe started with a Big Bang singularity and is slowly expanding until it disperses into nothingness. But physicists have also come up with theories claiming that the Big Bang was non-singular and can repeat, restarting the cycle over again. These are called “cyclic models,” and they’ve re-emerged into the spotlight now that there’s mounting evidence that dark energy is weakening over time. However, a physicist from UC Berkeley recently published a paper which he claims “categorically rules out” cyclic models. Let’s take a look.
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NASA’s Voyager Spacecraft Found A 30,000–50,000 Kelvin “Wall” At The Edge Of Our Solar System
Temperatures there reach an astonishing 30,000–50,000 kelvin.
Voyager: An Inside Look At NASA’s Longest-Running Mission With Someone There From The Start
We bring you an exclusive behind-the-scenes look at this iconic mission with Dr Linda Spilker, from her first job out of college to serving as the current Voyager Project Scientist.
The Last Time NASA’s Voyager “Looked Back” At Our Solar System, This Is What It Saw
Before it met the 30,000–50,000 kelvin wall at the edge of our Solar System, Voyager 1 took its final images.
Machine Learning Interatomic Potentials in Computational Materials
Machine learning interatomic potentials (MLIPs) have become an essential tool to enable long-time scale simulations of materials and molecules at unprecedented accuracies. The aim of this collection is to showcase cutting-edge developments in MLIP architectures, data generation techniques, and innovative sampling methods that push the boundaries of accuracy, efficiency, and applicability in atomic-scale simulations.
Red meat gut byproduct linked to elevated risk of abdominal aortic aneurysms
Cleveland Clinic researchers have discovered a connection between elevated blood levels of TMAO (trimethylamine N-oxide)—a byproduct of gut bacteria digestion of nutrients found in red meat and other animal products—and a higher risk of abdominal aortic aneurysms.
The findings, published in JAMA Cardiology, suggest that TMAO may play a role in the development, progression, and severity of this life-threatening condition, including faster rates of aneurysm expansion and greater risk for needing surgery.
“These results suggest targeting TMAO levels may help prevent and treat aneurysmal disease beyond surgery,” said lead author Scott Cameron, M.D., section head of Vascular Medicine at Cleveland Clinic.