With hundreds of thousands of the nation’s bridges nearing the end of their design lives, cash-strapped states are searching for innovative solutions to repair and replace their decaying structures. One answer may lie in the same material that delivered the stealth aircraft, according to two researchers at the University of Missouri-Rolla.
Composite fiber-reinforced polymer (FRP), first developed for use in the aerospace and automotive industries, may be able to help nurse the rapidly aging national highway infrastructure beyond its intended lifespan. Dr. Antonio Nanni, the Vernon and Maralee Jones Distinguished Professor of Civil Engineering at UMR, and Dr. John Myers, assistant professor of civil engineering at UMR, are researching how the composite materials can be used to rehabilitate existing structures as well as to construct new bridges.
The researchers are treating five decaying bridges in rural Missouri with a corrosion-resistant bandage of sorts made of this material. Like a bandage, the composite material is lightweight and flexible. Strips of the material can be wrapped around pillars or wallpapered on lengths of concrete to strengthen the original structure. These composite materials combine the strength of aramid, carbon and glass fibers with the stability of the polymer resins.
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With a quantum coprocessor in the cloud, physicists from Innsbruck, Austria, open the door to the simulation of previously unsolvable problems in chemistry, materials research or high-energy physics. The research groups led by Rainer Blatt and Peter Zoller report in the journal Nature how they simulated particle physics phenomena on 20 quantum bits and how the quantum simulator self-verified the result for the first time.
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'Quantum technologies' utilise the unique phenomena of quantum superposition and entanglement to encode and process information, with potentially profound benefits to a wide range of information technologies from communications to sensing and computing.
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Working group led by physicist Professor Ulrich Nowak at the University of Konstanz, in collaboration with a team of physicists from Johannes Gutenberg University Mainz, demonstrates how skyrmions can be used for the computer concepts of the future
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Scientists develop a molecular recording tool that enables in vivo lineage tracing of embryonic cells
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