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| Engineering articles |
Gesture recognition
A system that can recognize human gestures could provide a new way for people with physical disabilities to interact with computers. A related system for the able bodied could also be used to make virtual worlds more realistic. The system is described in detail in a forthcoming issue of the International Journal of Arts and Technology.
Tilting at wind farms
A way to make wind power smoother and more efficient that exploits the inertia of a wind turbine rotor could help solve the problem of wind speed variation, according to research published in the International Journal of Power Electronics.
Researchers levitate object at a microscopic scale
Magicians have long created the illusion of levitating objects in the air. Now researchers at the National Institutes of Health and Harvard University have actually levitated an object, suspending it without the need for external support.
Dartmouth engineers develop new power line de-icing system
Dartmouth engineering professor and entrepreneur Victor Petrenko-along with his colleagues at Dartmouth and at Ice Engineering LLC in Lebanon, N.H.-have invented a way to cheaply and effectively keep ice off power lines.
Can you see me now? Flexible photodetectors could help sharpen photos
Distorted cell-phone photos and big, clunky telephoto lenses could be things of the past.
Beyond the mind's eye
Elizabeth Goldring smiles as she shows a visitor photos she's taken -- and can see -- with her blind eye. The demonstration comes more than 20 years after Goldring, a senior fellow at MIT's Center for Advanced Visual Studies, and colleagues began work on a "seeing machine" that can allow some people who are blind or visually challenged to access the Internet, view the face of a friend and much more.
Putting heads (and computers) together to solve global problems
Imagine if the planet's collective brainpower and computing power could be brought together to tackle some of the world's toughest problems, including global climate change and cancer.
Smart lighting: new led drops the droop
Researchers at Rensselaer Polytechnic Institute have developed and demonstrated a new type of light emitting diode (LED) with significantly improved lighting performance and energy efficiency.
Rice university software helps id terrorists carrying out attacks
Rice University researchers have created a sophisticated new computer program that rapidly scans large databases of news reports to determine which terrorists groups might be responsible for new attacks. During the Thanksgiving Day attack in Mumbai, India, for example, researchers used the program to rapidly identify the Pakistan-based Lashkar-e-Tayyiba as the most likely culprit.
Energy-efficient water purification made possible
Water and energy are two resources on which modern society depends. As demands for these increase, researchers look to alternative technologies that promise both sustainability and reduced environmental impact. Engineered osmosis holds a key to addressing both the global need for affordable clean water and inexpensive sustainable energy according to Yale researchers.
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Stop traffic crashes: switch on the lights
Street lighting provides a simple, low cost means of stemming the global epidemic of road traffic death and injury. Low income countries should consider installing more lights, and high income countries should think carefully before turning any off to reduce carbon emissions.
Keeping cool using the summer heat
While most Australians are taking care to shield themselves from the harsh summer heat, scientists from the CSIRO Energy Transformed Flagship are working on ways to harness the sun's warmth to cool our homes and offices.
Researchers close to turning urine into water
Queen's University researchers are one step closer to turning human urine into drinking water. Developed for use in space, this discovery could allow for longer missions and larger crews.
Revolutionary microchip uses 30 times less power
In the first real-world test of a revolutionary type of computing that thrives on random errors, scientists have created a microchip that uses 30 times less electricity while running seven times faster than today's best technology.
More power from bumps in the road
A team of MIT undergraduate students has invented a shock absorber that harnesses energy from small bumps in the road, generating electricity while it smoothes the ride more effectively than conventional shocks. The students hope to initially find customers among companies that operate large fleets of heavy vehicles. They have already drawn interest from the U.S. military and several truck manufacturers.
Nanogenerators produce electricity from running rodentstapping finger also helps generate electricity
Could hamsters help solve the world's energy crisis? Probably not, but a hamster wearing a power-generating jacket is doing its own small part to provide a new and renewable source of electricity.
Powering the future solar cells by the metre
World leading research from CSIRO's Future Manufacturing Flagship as part of the Victorian Organic Solar Cell Consortium (VICOSC) aims to develop flexible, large area, cost-effective, reel-to-reel printable plastic solar cells.
Sophisticated structures assembled with magnets
What do Saturn and flowers have in common? As shapes, both possess certain symmetries that are easily recognizable in the natural world. Now, at an extremely small level, researchers from Duke University and the University of Massachusetts have created a unique set of conditions in which tiny particles within a solution will consistently assemble themselves into these and other complex shapes.
Buckyballs could keep water systems flowing
Microscopic particles of carbon known as buckyballs may be able to keep the nation's water pipes clear in the same way clot-busting drugs prevent arteries from clogging up.
NC State researchers work to make wood a new energy source
Is wood the new coal? Researchers at North Carolina State University think so, and they are part of a team working to turn woodchips into a substitute for coal by using a process called torrefaction that is greener, cleaner and more efficient than traditional coal burning.
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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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