A new performance fabric, which actively responds to the wearers body temperature and perspiration levels, has been created by weaving a layer of bacteria over traditional fabric.
Using a special high-pressure chamber, scientists have discovered two new iron oxides in experiments at DESY's X-ray light source PETRA III and other facilities. The discovery points to a huge, hitherto unknown oxygen source in the lower mantle of the Earth. The team led by Dr. Elena Bykova from the University of Bayreuth reports its results in the scientific journal Nature Communications.
Forming the high-quality crystals required for X-ray analysis of the structure of biological molecules is often the most difficult part of taking atomic-resolution images. Using the world's brightest X-ray source, at the Department of Energy's SLAC National Accelerator Laboratory, researchers have demonstrated that sharp images are obtainable, even with imperfect crystals.
The phenomenon of X-ray diffraction by crystals was discovered more than a century ago, and since then it has been a preferred technique for structure determination. It has established its presence in structural research in the fields of biology, and material science. However, many materials whose structures are unknown, do not easily crystallize as three-dimensional structures.
A design for a coiled acoustic metasurface, capable of realizing total acoustic absorption in ultralow frequencies, has been produced by researchers working at the French National Centre for Scientific Research, CNRS, and the University of Lorraine.
Rapid freezing of any liquid or even liquid metal leads to the formation of glass. Materials science research is currently focusing on metallic glasses or vitrified metals that have been formed by swiftly cooling alloys of a wide range of metals such as magnesium, copper, titanium, palladium, zirconium, and iron.
Pollens hold promise for potential application as anodes in lithium-ion batteries, according to a team of researchers from the Purdue University.
Scientists at the University of Liverpool have shown that it is possible to design and construct interfaces between materials with different structures by making a bridge between them.
A new model helps understand for example defects formed in metal production.
In today’s world, cooling is a very important process. The challenge for the future is to carry out cooling that is not harmful to the climate, and facilitates the conservation of natural resources. Professors Stefan Seelecke and Andreas Schütze from Saarland University have used cooling systems that use shape memory alloys, also referred to as ‘artificial muscles’ or ‘metal muscles.
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