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Ceramic materials with “split personalities” could lead to new high-temperature superconductors, according to physicists at Ohio State University and their colleagues.
Researchers here have learned that these ceramic materials, called cuprates (pronounced KOOP-rates), switch between two different kinds of superconductivity under certain circumstances.
The finding could settle a growing controversy among scientists and point the way to buckyball-like superconductivity in ceramics.
A study at Ohio State University is probing the nature of a unique sulfur-containing molecule — one that scientists consider a “missing link” in its chemical family.
The molecule, hydrogen thioperoxide, or HSOH for short, is related to the common bleaching and disinfectant agent hydrogen peroxide. Because HSOH contains sulfur, it could eventually help scientists understand how pollutants form in Earth’s atmosphere, and how similar molecules form in outer space.
Scientists
The same material that makes the theft detectors go off in a department store when the salesperson forgets to remove the anti-theft tag, may make inexpensive, passive temperature and stress sensors for highways, concrete buildings and other applications possible, according to Penn State researchers.
“These materials typically cost about $100 a mile and each sensor is about an inch long,” says Dr. Craig A. Grimes, associate professor of electrical engineering and member of Penn State’s
Surprise Discovery with World`s Leading Telescopes
Combining data from the NASA/ESA Hubble Space Telescope (HST) and the ESO Very Large Telescope (VLT), a group of European and American astronomers have made an unexpected, major discovery.
They have identified a huge number of “young” stellar clusters, only a few billion years old , inside an “old” elliptical galaxy (NGC 4365), probably aged some 12 billion years. For the first time, it has been possible to identify several
Thanks to SEK 7 million in funding from the EU and other financiers, Luleå University of Technology in Sweden is now able to launch an urgent research project for the future of the Barents region. The overarching goal is to gather the knowledge and competence needed to solve and prevent looming environmental problems in the area.
The project will be carried out in cooperation between universities and companies in Sweden, Norway, Finland, and Russia and is a step in Luleå University of Techno
Digital images that have been tampered with could now be spotted – thanks to a digital ‘watermark’ developed by UK scientists
Digital images such as CCTV footage are increasingly being used as evidence in high profile court cases. However, it is easy to tamper with an image and very difficult to tell if any manipulation has taken place.
Researchers have created a digital version of a watermark to tackle this problem and validate digital evidence. The team is led by Profes