When heavy ions, accelerated to the speed of light, collide with each other in the depths of European or American accelerators, quark-gluon plasma is formed for fractions of a second, or even its “cocktail” seasoned with other particles. According to scientists from the IFJ PAN, experimental data show that there are underestimated actors on the scene: photons. Their collisions lead to the emission of seemingly excess particles, the presence of which could not be explained.
Solid-matrix catalysts called heterogeneous catalysts are among the most widespread industrial applications in reducing toxic gases, unburned fuel, and particulate matter in the exhaust stream from the combustion chamber. They are also used in energy, chemical, and pharmaceutical sectors, i.e., production of biodiesel, polymers, biomass/waste conversion into valuable products, and many others processes. All thanks to their active sites and high surface. Nevertheless, their high efficiency is limited by the astronomic price of noble metals, So, cost-effective substitutes with comparable effectivity seem to be a holy grail for the industry.
If you were asked to identify ancient chemists’ and pharmacists' attributes, your best answer would probably be the mortar and pestle. For centuries, this mechanical tool was used for crushing and homogenizing solids like food ingredients or natural medicines. Together with its electrically-powered twin called a ball mill, this antique instrument has become must-have equipment for any laboratory devoted to green chemical synthesis. It enables us to create some materials and molecules more efficiently and even makes some entirely new ones. Recently, a research team led by Janusz Lewiński, a Professor at the Institute of Physical Chemistry Polish Academy of Sciences (IChF PAN) in Warsaw has brought this idea to the nanoscale by developing sustainable and efficient synthesis of coated zinc oxide nanocrystals by mechanochemical grinding.
An international team has observed for the first time that long-range electron transfer within a chemical molecule can occur through hydrogen bonds without the so-called hopping. The discovery published in PNAS (https://www.pnas.org/content/118/11/e2026462118) could help not only better understand how proteins work, but also design new materials.
It was usually assumed that complex numbers, those containing a component with the imaginary number i (i squared equals minus one), are only a mathematical trick. A Polish-Chinese-Canadian team of scientists has proven, however, that the imaginary part of quantum mechanics can be seen in action in the real world, the Centre of New Technologies at the University of Warsaw reports.
It has been known for some time how to use DNA strands to embroider 2D shapes and build nanometer-sized structures. But these structures were stable only in the aquatic environment. Now scientists have shown how to go "ashore" with the solutions and use DNA to produce super-resistant nano-objects.
“Any sufficiently advanced technology is indistinguishable from magic” (Arthur C. Clarke). Researchers are working on a shape-shifting robotic material able to transform into any object or machine. Strong like solids and transformable like fluids, will T-1000 terminators knock on our doors soon?