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| Engineering articles |
Triangles go underwater and supersonic
The seemingly effortless way dolphins and porpoises slice through the water and the unique capabilities of the supersonic Concorde airplane have more in common than one might think.
Recognition at last
A rapid but superior method for computerized face recognition could revolutionize security systems especially if it can see through disguises, according to research published in the International Journal of Intelligent Systems Technologies and Applications.
Robo-bats with metal muscles may be next generation of remote control flyers
Tiny flying machines can be used for everything from indoor surveillance to exploring collapsed buildings, but simply making smaller versions of planes and helicopters doesn't work very well. Instead, researchers at North Carolina State University are mimicking nature's small flyers - and developing robotic bats that offer increased maneuverability and performance.
Clinical trial shows that quadriplegics can use tongue drive system
An assistive technology that enables individuals to maneuver a powered wheelchair or control a mouse cursor using simple tongue movements can be operated by individuals with high-level spinal cord injuries, according to the results of a recently completed clinical trial.
Robot can crawl through human body
Moving reality a step closer to "Fantastic Voyage," researchers at the Technion-Israel Institute of Technology have developed a micro robot that can crawl through the human body.
Robot fish to help understand how real fish swim against the flow
A major EU grant worth €1.8M has been awarded to a consortium of five European research institutions including the University of Bath to build a robot that will help researchers understand how fish can swim upstream.
Technology on way to forecasting humanity's needs
Much as meteorologists predict the path and intensity of hurricanes, Indiana University's Alessandro Vespignani believes we will one day predict with unprecedented foresight, specificity and scale such things as the economic and social effects of billions of new Internet users in China and India, or the exact location and number of airline flights to cancel around the world in order to halt the spread of a pandemic.
This article will self-destruct: a tool to make online personal data vanish
Computers have made it virtually impossible to leave the past behind. College Facebook posts or pictures can resurface during a job interview. A lost cell phone can expose personal photos or text messages. A legal investigation can subpoena the entire contents of a home or work computer, uncovering incriminating, inconvenient or just embarrassing details from the past.
'Invisibility cloak' could protect against earthquakes
Research at the University of Liverpool has shown it is possible to develop an 'invisibility cloak' to protect buildings from earthquakes.
Nanotubes take flight
With products that range from carpets to kites, you'd think Rice University chemist Bob Hauge was running a department store. What he's really running is a revolution in the world of carbon nanotechnology.
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All-in-one nanoparticle: a swiss army knife for nanomedicine
Nanoparticles are being developed to perform a wide range of medical uses -- imaging tumors, carrying drugs, delivering pulses of heat. Rather than settling for just one of these, researchers at the University of Washington have combined two nanoparticles in one tiny package.
Wastewater produces electricity and desalinates water
A process that cleans wastewater and generates electricity can also remove 90 percent of salt from brackish water or seawater, according to an international team of researchers from China and the U.S.
Gasoline-diesel 'cocktail': a potent recipe for cleaner, more efficient engines
Diesel and gasoline fuel sources both bring unique assets and liabilities to powering internal combustion engines. But what if an engine could be programmed to harvest the best properties of both fuel sources at once, on the fly, by blending the fuels within the combustion chamber?
Tiny 'mems' devices to filter, amplify electronic signals
Researchers are developing a new class of tiny mechanical devices containing vibrating, hair-thin structures that could be used to filter electronic signals in cell phones and for other more exotic applications.
Nanoelectronic transistor combined with biological machine could lead to better electronics
If manmade devices could be combined with biological machines, laptops and other electronic devices could get a boost in operating efficiency.
Advance toward an 'electronic tongue' with a taste for sweets
In a new approach to an effective "electronic tongue" that mimics human taste, scientists in Illinois are reporting development of a small, inexpensive, lab-on-a-chip sensor that quickly and accurately identifies sweetness - one of the five primary tastes. It can identify with 100 percent accuracy the full sweep of natural and artificial sweet substances, including 14 common sweeteners, using easy-to-read color markers.
Researchers boost production of biofuel that could replace gasoline
Engineers at Ohio State University have found a way to double the production of the biofuel butanol, which might someday replace gasoline in automobiles.
Organic electronics a two-way street, thanks to new plastic semiconductor
Plastic that conducts electricity holds promise for cheaper, thinner and more flexible electronics. This technology is already available in some gadgets -- the new Sony walkman that was introduced earlier this summer and the Microsoft Zune HD music player released recently both incorporate organic light-emitting electronic displays. Until now, however, circuits built with organic materials have allowed only one type of charge to move through them. New research from the University of Washington makes charges flow both ways.
Taking space in stride
Anyone who has watched videos of the Apollo astronauts moving across the surface of the moon has noticed the unusual loping gait they sometimes adopted and their slow, almost graceful, movements. Now a new analysis by MIT researchers shows why astronauts moved around this way in their heavy Apollo-era space suits - and provides a mathematical method for evaluating new spacesuit designs for the moon and Mars and their effects on the efficiency of locomotion.
'Cornell dots' make the world's tiniest laser
Researchers have modified nanoparticles known as "Cornell dots" to make the world's tiniest laser -- so small it could be incorporated into microchips to serve as a light source for photonic circuits. The device may also have applications for sensors, solar collectors and in biomedicine.
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| Quotes | Ive always wanted to be a scientist. That way, I could get a bunch of grants and do research into whether money can really buy happiness.
Kyannke.
Ive always wanted to be somebody, but I see now I should have been more specific.
Lily Tomlin |
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