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Engineering News
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Today's engineering headlines from the sources selected by our team:
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New 'metamaterial' practical for optical advances
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Researchers have taken a step toward overcoming a key obstacle in commercializing "hyperbolic metamaterials," structures that could bring optical advances including ultrapowerful microscopes, computers and solar cells.
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Floating robots use GPS-enabled smartphones to track water flow
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A fleet of 100 floating robots took a trip down the Sacramento River on May 9, in a field test. The devices, equipped with GPS-enabled smartphones, demonstrated the next generation of water-monitoring technology, promising to transform the way government agencies track one of the state's most precious resources.
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Scientists generate electricity from viruses
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Scientists have developed a way to generate power using harmless viruses that convert mechanical energy into electricity. The scientists tested their approach by creating a generator that produces enough current to operate a small liquid-crystal display. Their generator is the first to produce electricity by harnessing the piezoelectric properties of a biological material.
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DNA Sequencing Detects Residual Leukemia
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Genomic method is more sensitive than other techniques looking for lingering cells post-chemotherapy.
GenomeWeb Daily News reports that DNA sequencing is able to track cancerous blood cells in leukemia patients even when currently used methods cannot. The findings, published on May 16 in the journal Science Translational Medicine, suggest that high-throughput sequencing could improve the diagnosis and post-treatment monitoring of leukemia. The sequencing-based method is more sensitive than one of the two typical methods of detecting the malignant cells (flow cytometry) and cheaper and faster than the other (quantitative real-time PCR).
 
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WPI research team to conduct tests aimed at better understanding post-earthquake fires
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(Worcester Polytechnic Institute) A team of researchers from the Department of Fire Protection Engineering at Worcester Polytechnic Institute (WPI) will conduct groundbreaking fire tests May 23-25 aimed at better understanding the effects of earthquakes on building systems designed to suppress or prevent the spread of fires. The tests, part of a $5 million, multi-institution study, will be conducted in a five-story building constructed atop the nation's largest outdoor shake table, located at the University of California, San Diego.
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New, inexpensive paper-based diabetes test ideal for developing countries
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(American Chemical Society) With epidemics of Type 2 diabetes looming in rural India, China and other areas of the world where poverty limits the availability of health care, scientists are reporting development of an inexpensive and easy-to-use urine test ideally suited for such areas. The report describing the paper-based device, which also could be adapted for the diagnosis and monitoring of other conditions and the environment, appears in ACS' journal Analytical Chemistry.
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Children with rare, incurable brain disease improve after gene therapy
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(University of Florida) Taiwanese doctors have restored some movement in four children bedridden with a rare, life-threatening neurological disease using gene transfer techniques pioneered by University of Florida faculty. The first-in-humans achievement may also be helpful for more common diseases such as Parkinson's.
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3-telescope interferometry allows astrophysicists to observe how black holes are fueled
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(University of California - Santa Barbara) By combining the light of three powerful infrared telescopes, an international research team has observed the active accretion phase of a supermassive black hole in the center of a galaxy tens of millions of light years away, a method that has yielded an unprecedented amount of data for such observations. The resolution at which they were able to observe this highly luminescent active galactic nucleus has given them direct confirmation of how mass accretes onto black holes in centers of galaxies.
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