Compression or strain—the material always expands
An international research team led by chemist Prof. Thomas Heine of TU Dresden has discovered a new two-dimensional material with unprecedented properties: regardless of whether it is strained or compressed, it always expands. This so-called half-aux.....»»
Meta is using your data to train AI models; Europeans can opt out
If you use Instagram or Facebook, Meta is using your data to train its AI models. The company uses posts as training material for its generative AI systems. Privacy legislation in the UK and European Union means that the company is forced to offer.....»»
Researchers develop ultrafast wavemeter that employs spectral–spatial–temporal mapping
Accurate high-speed measurements of wavelength are fundamental to optical research and industrial applications, such as environmental monitoring, biomedical analysis, and material characterization......»»
Team induces piezoelectricity for enhanced tetracycline hydrochloride degradation through photopiezocatalysis
A team of material scientists recently outlined the state of inducing piezoelectricity in distorted rutile TiO2 for enhanced tetracycline hydrochloride degradation through photopiezocatalysis. The team was led by Prof. Qi Li from Southwest Jiaotong U.....»»
New anti-counterfeit technique packs two light-reactive images into one material
Growing concern about data theft and counterfeiting has inspired increasingly sophisticated security technologies, like hologram seals, that can help verify the authenticity of currency, passports and other important documents. However, as security t.....»»
Novel material shows potential to produce green hydrogen
An article published in the journal Polymer describes the production of a material with the potential to be used to obtain hydrogen (H2) by solar-driven water splitting (photoelectrocatalysis) instead of the conventional electricity-driven process......»»
Researchers develop reusable "sponge" for soaking up marine oil spills—even in chilly northern waters
Oil spills, if not cleaned up quickly and effectively, can cause lasting damage to marine and coastal environments. That's why a team of North American researchers are developing a new sponge-like material that is not only effective at grabbing and h.....»»
Speeding up calculations that reveal how electrons interact in materials
Materials scientists and engineers would like to know precisely how electrons interact and move in new materials and how the devices made with them will behave. Will the electrical current flow easily within the material? Is there a temperature at wh.....»»
Researchers develop high-performance blue organic LEDs based on thermally activated delayed fluorescence material
Organic light-emitting diodes (OLEDs) have become a leading display technology. The luminescent material is a core component of OLEDs. Thermally activated delayed fluorescence (TADF) materials have emerged as promising emitters for achieving high-eff.....»»
A new ransomware is hijacking Windows BitLocker to encrypt and steal files
New ransomware strain is creating new boot volumes and using labels to communicate with victims......»»
Researchers reveal a new mechanism of hyaluronic acid with a specific molecular weight to improve host inflammation
Previous studies on the function of glycosaminoglycans have primarily focused on improving host physiological indices. However, little attention has been paid to the material basis and mechanism of their mediated improvement of host health by gut mic.....»»
3D-MAT, a thermal protection material for the Artemis Generation
The 3-Dimensional Multifunctional Ablative Thermal Protection System (3D-MAT) is a thermal protection material developed as a critical component of Orion, NASA's newest spacecraft built for human deep space missions. It is able to maintain a high lev.....»»
Researchers create new type of composite material for shielding against neutron and gamma radiation
Recently, Dr. Huo Zhipeng and his student Lu Yidong from Hefei Institutes of Physical Science of Chinese Academy of Sciences have created a new type of composite material for shielding against neutron and gamma radiation. They used micron plate Sm2O3.....»»
Researchers develop framework for databasing properties of crystal defects
Point defects (e.g. missing, extra or swapped atoms) in crystalline materials often determine the actual electronic and optical response of a given material. For example, controlled substitutions in semiconductors like silicon are the backbone of mod.....»»
Sustainable, high-performance paper coating material could reduce microplastic pollution
Plastic pollution presents a global challenge that must be solved. In particular, packaging accounts for 30–50% of the total plastic consumption. While paper packaging is eco-friendly, it lacks crucial functionalities like moisture resistance and s.....»»
Study indicates interstitial Cu reduces the defect density in matrix and suppresses the donor-like effect
Due to the capacity to directly and reversibly convert heat into electricity, thermoelectric (TE) material has potential applications in solid-state heat pumping and exhaust heat recuperation, thus attracting worldwide attention. Bi2Te3 stands out fo.....»»
New polystyrene recycling process could be world"s first to be both economical and energy-efficient
Engineers have modeled a new way to recycle polystyrene that could become the first viable way of making the material reusable. The chemical method identified to tackle hard-to-recycle packaging material, cutting landfill waste.....»»
Chickens, ducks, seals and cows: A dangerous bird flu strain is knocking on Australia"s door
A dangerous strain of avian influenza (bird flu) is now wreaking havoc on every continent except Australia and the rest of Oceania. While we remain free from this strain for now, it's only a matter of time before it arrives......»»
New insights into the degradation dynamics of organic material in the seafloor
The long-term deposition of organic material in sediments on the ocean floor is a key process in the global carbon cycle. The question of whether, from a chemical perspective, the deposited material is more similar to marine algae or the microorganis.....»»
A metal-free organic framework for electrocatalytic production of ethylene from carbon dioxide
Use of the greenhouse gas CO2 as a chemical raw material would not only reduce emissions, but also the consumption of fossil feedstocks. A novel metal-free organic framework could make it possible to electrocatalytically produce ethylene, a primary c.....»»
Using wobbling stellar material, astronomers measure the spin of a supermassive black hole for the first time
Astronomers at MIT, NASA, and elsewhere have a new way to measure how fast a black hole spins, by using the wobbly aftermath from its stellar feasting......»»