A team of researchers from the Korea Advanced Institute of Science and Technology (KAIST) has designed a bacterium that can produce carminic acid—a natural red colorant that is extensively used in cosmetics and food.
The electrochemical performance of lithium (Li) batteries is mainly governed by the interfacial decomposition products that form what is called the solid-electrolyte interphase (SEI) at the time of the first charging or discharging.
Using complementary computing calculations and neutron scattering techniques, researchers from the Department of Energy's Oak Ridge and Lawrence Berkeley national laboratories and the University of California, Berkeley, discovered the existence of an elusive type of spin dynamics in a quantum mechanical system.
Skyrmions - tiny magnetic vortices - are considered promising candidates for tomorrow's information memory devices which may be able to achieve enormous data storage and processing capacities. A research team led by the Helmholtz-Zentrum Dresden-Rossendorf (HZDR) has developed a method to grow a particular magnetic thin-film material that hosts these magnetic vortices.
On sultry summer afternoons, heating, ventilation and air conditioning (HVAC) systems provide much-needed relief from the harsh heat and humidity. These systems, which often come with dehumidifiers, are currently not energy efficient, guzzling around 76% of the electricity in commercial and residential buildings.
At the Washington University in St. Louis, scientists have announced the first-ever observations of a new form of fluorine, called the isotope 13F.
Scientists at MIPT have found a possible explanation for the anomalously fast release of gas from nuclear fuel. Supercomputer simulations have uncovered an unexpected mechanism for accelerating the escape of gas bubbles from the uranium dioxide crystal matrix to the surface.
They report two of the magnetic transitions, with a distinctive transition above room temperature and look into its causes, opening doors to potential applications in realizing new spintronic devices.
Heavy elements known as the actinides are important materials for medicine, energy, and national defense. But even though the first actinides were discovered by scientists at Berkeley Lab more than 50 years ago, we still don't know much about their chemical properties because only small amounts of these highly radioactive elements (or isotopes) are produced every year; they're expensive; and their radioactivity makes them challenging to handle and store safely.
Nature produces a startling array of patterned materials, from the sensitive ridges on a person's fingertip to a cheetah's camouflaging spots. Although nature's patterns arise spontaneously during development, creating patterns on synthetic materials is more laborious. Now, researchers reporting in ACS Central Science have found an easy way to make patterned materials having complex microstructures with variations in mechanical, thermal and optical properties -- without the need for masks, molds or printers.
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