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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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'Smart materials' process promises to revolutionize manufacturing of medical devices, other products
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A new "smart materials" process -- Multiple Memory Material Technology -- promises to revolutionize the manufacture of diverse products such as medical devices, microelectromechanical systems (MEMS), printers, hard drives, automotive components, valves and actuators. The breakthrough technology will provide engineers with much more freedom and creativity by enabling far greater functionality to be incorporated into medical devices such as stents, braces and hearing aids than is currently possible.
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Miniature auto differential helps tiny aerial robots stay aloft
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Engineers have created a millionth-scale automobile differential to govern the flight of minuscule aerial robots that could someday be used to probe environmental hazards, forest fires, and other places too perilous for people. Their new approach is the first to passively balance the aerodynamic forces encountered by these miniature flying devices, letting their wings flap asymmetrically in response to gusts of wind, wing damage, and other real-world impediments.
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New pump created for microneedle drug-delivery patch
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Researchers have developed a new type of pump for drug-delivery patches that might use arrays of "microneedles" to deliver a wider range of medications than now possible with conventional patches.
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Robotic Storm Tracker Gets a Big Test with Earl
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The largest-ever storm monitoring mission is now gathering scientific data that was previously impossible to get.
As Hurricane Earl barrels toward the eastern seaboard of the United States, coastal residents don't know if they should evacuate in case the storm makes landfall. They rely on forecasters analyzing computer models, but those predictions differ. A new hurricane-monitoring mission that's now underway hopes to reduce this uncertainty by gathering atmospheric and environmental storm data never before obtained.
 
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What have engineers learned from Katrina?
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Five years after Hurricane Katrina devastated New Orleans, James N. Jensen, PhD, University at Buffalo professor of civil, structural and environmental engineering, says that probably the biggest lesson learned from that disaster was that municipalities and citizens now take orders to evacuate much more seriously.
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Will New Levees Protect New Orleans From the Next Hurricane?
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Professor Bob Bea, one of the country's top civil engineers -- whom President Barack Obama has asked to help investigate the Deepwater Horizon incident -- says the New Orleans levees and floodwalls today are still not a "system." Bea, who teaches at the University of California Berkeley, says "it is still a patchwork quilt."
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Can New Orleans' Revamped Levee System Withstand Next Storm?
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A second Katrina story on the state of levees and flood protection by PBS.
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