Many industrial buildings rely on ultrasound instruments that continually monitor the structural integrity of their systems without damaging or altering their features. One new technique draws on laser technology and candle soot to generate effective ultrasonic waves for nondestructive testing and evaluation. Researchers are using ultrasonic nondestructive testing that involves amplifying the signal from a photoacoustic laser source using laser-absorbing patch made from an array of nanoparticles from candle soot and polydimethylsiloxane.  READ MORE

Each city has its symbol, but few tower as high as Huntsville, Alabama’s. When you think of NYC you see the Statue of Liberty. When you think of St. Louis you see the Arch. How many cities have a lunar vehicle as their benchmark? Between the Alabama Bicentennial celebration and the 50th Anniversary of the Apollo 11 lunar landing, the Space and Rocket Center will undoubtedly be the backdrop of countless events. Read more.

Texas has hundreds of bridges, most of which are concrete. After some time, bridges deteriorate or may get damaged, and a University of Texas at Arlington researcher is working with the Texas Department of Transportation to inspect, evaluate and monitor bridges to ensure their safety for years to come. Nur Yazdani, a professor in UTA's Department of Civil Engineering, recently was awarded a three-year contract to inspect and evaluate new and existing concrete bridge components using non-destructive methods. He will also determine the true load capacity of bridges to ensure that the posted capacities represent what the bridges are capable of supporting. Read more.

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