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| Engineering articles |
Light is shed on new fibre's potential to change technology
Photonic crystal fibre's ability to create broad spectra of light, which will be the basis for important developments in technology, has been explained for the first time in an article in the leading science journal Nature-Photonics.
Wind turbines produce 'green' energy and airflow mysteries
Using smoke, laser light, model airplane propellers and a campus wind tunnel, a team led by Johns Hopkins University researchers is trying to solve the airflow mysteries that surround wind turbines, an increasingly popular source of "green" energy. The National Science Foundation recently awarded the team a three-year, $321,000 grant to support the project.
Can massage chairs or a vibrating mouse prevent computer-related injuries?
A chair that undulates, a mouse that vibrates, a monitor suspended over a desk on a movable arm. These are some of the kinds of newfangled ergonomic products that Alan Hedge, international authority on office ergonomics, studies to see if they can prevent repetitive motion injuries among the estimated 100 million people who now use computers in the United States.
UCLA engineering researchers capture optical 'rogue waves'
Maritime folklore tells tales of giant "rogue waves" that can appear and disappear without warning in the open ocean. Also known as "freak waves," these ominous monsters have been described by mariners for ages and have even appeared prominently in many legendary literary works, from Homer's "Odyssey" to "Robinson Crusoe."
Researchers develop two-dimensional invisibility cloak
Harry Potter may not have talked much about plasmonics in J. K. Rowling's fantasy series, but University of Maryland researchers are using this emerging technology to develop an invisibility cloak that exists beyond the world of bespectacled teenage wizards.
Project to look at best way to find defects in aircraft and racing cars
An Anglo-Indian initiative is to be launched to look at the efficiency of new ways of detecting dangerous defects in vehicles including aircraft, racing cars and spacecraft.
Reversible data transfers from light to sound
As a step towards designing tomorrow's super-fast optical communications networks, a Duke University-led research team has demonstrated a way to transfer encoded information from a laser beam to sound waves and then back to light waves again.
Nanowire battery holds 10 times the charge of existing ones
Stanford researchers have found a way to use silicon nanowires to reinvent the rechargeable lithium-ion batteries that power laptops, iPods, video cameras, cell phones, and countless other devices.
Entire old testament written on a pinhead
In a nanotechnology breakthrough, scientists from the Technion-Israel Institute of Technology have printed the entire Old Testament onto a silicone chip smaller than a pinhead (less than 1/1000th of an inch).
Scientists working to create smaller, faster integrated circuits
Integrated circuits are the "brain" in computers, cell phones, DVD players, iPhones, personal digital assistants, automobiles' navigation systems and anti-lock brakes, and many other electronic devices.
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Drivers on cell phones clog traffic
Motorists who talk on cell phones drive slower on the freeway, pass sluggish vehicles less often and take longer to complete their trips, according to a University of Utah study that suggests drivers on cell phones congest traffic.
New wireless devices could help consumers keep track of their vital signs
Forget about videogames or driving directions. Paul Blair thinks the next 'killer' mobile applications will be for monitoring your health. The Calit2 staff researcher should know; he is working on a range of devices that use wireless technology as well as smaller and cheaper sensors to track people's vital signs on a daily, even hourly, basis. The data can then be automatically uploaded to a database accessible via the Internet.
An attractive man-machine interface
Researchers at Children's Hospital Boston have developed a new "nanobiotechnology" that enables magnetic control of events at the cellular level. They describe the technology, which could lead to finely-tuned but noninvasive treatments for disease, in the January issue of Nature Nanotechnology (published online January 3).
Ames laboratory is beefing up magnets for electric-drive cars
Ask Iver Anderson at the U.S. Department of Energy's Ames Laboratory about consumer interest in and desire for "ultragreen" electric-drive vehicles, and he'll reply without a moment's hesitation that the trend is unstoppable and growing fast.
Advances pave way for powerful carbon-based electronics
Bypassing decades-old conventions in making computer chips, Princeton engineers developed a novel way to replace silicon with carbon on large surfaces, clearing the way for new generations of faster, more powerful cell phones, computers and other electronics. -FULL TEXT:
Some 20,000 soldiers a year may be trained with sandia-enhanced simulation video game
Some 20,000 soldiers a year may soon be trained in interpersonal skill building and cross-cultural awareness using a videogame recently developed by researchers from Sandia and BBN Technologies.
New nanostructured thin film shows promise for efficient solar energy conversion
In the race to make solar cells cheaper and more efficient, many researchers and start-up companies are betting on new designs that exploit nanostructures--materials engineered on the scale of a billionth of a meter. Using nanotechnology, researchers can experiment with and control how a material generates, captures, transports, and stores free electrons--properties that are important for the conversion of sunlight into electricity.
Scientists detect lowest frequency radar echo from the moon
A team of scientists from the Naval Research Laboratory, the Air Force Research Laboratory's (AFRL's) Research Vehicles Directorate, Kirtland Air Force Base, N.M., and the University of New Mexico (UNM) has detected the lowest frequency radar echo from the moon ever seen with earth-based receivers.
An invisibility cloak for sound?
Contrary to earlier predictions, Duke University engineers have found that a three-dimensional sound cloak is possible, at least in theory.
Technique enhances digital television viewing for visually-impaired
Scientists at Schepens Eye Research Institute have found that people with low vision can improve their ability to see and enjoy television with a new technique that allows them to enhance the contrast of images of people and objects of interest on their digital televisions.
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| Quotes | By convention!
cussed Tom airily.
Cmon Scully... Itll be a nice trip through the woods-Fox Mulder
But what ... is it good for?
Engineer at IBM, 1968, commenting on the microchip.
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