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| Engineering articles |
Goal of nanoscale optical imaging gets boost with new hyperlens
Scientists at the University of California, Berkeley, have developed a "hyperlens" that brings them one major step closer to the goal of nanoscale optical imaging.
Linear arrays of nanotubes offer path to high-performance electronics
Despite the attractive electrical properties and physical features of single-walled carbon nanotubes, incorporating them into scalable integrated circuits has proven to be a challenge because of difficulties in manipulating and positioning these molecular scale objects and in achieving sufficient current outputs.
Miniature chain-mail fabric holds promise for smart textiles
Scientists at the University of Illinois have fabricated the world's smallest chain-mail fabric. Combined with existing processing techniques, the flexible, metallic fabric holds promise for fully engineered smart textiles.
New brake light system could mean fewer collisions
A dynamic brake light system that enables rear lights on a leading vehicle to contract or expand during hard braking could help lessen how often rear-end automobile collisions occur, says new research from the University of Toronto.
Iowa state to unveil the most realistic virtual reality room in the world
You're high above the desert peaks. Your aircraft are approaching their targets. Information from instruments, cameras and radar is before your eyes. And with the help of 100 million pixels of bright and vivid virtual reality you're in control of a swarm of U.S. Air Force unmanned aerial vehicles.
'Self-healing' house in greece will dare to defy nature
A high-tech villa designed to resist earthquakes by 'self-healing' cracks in its own walls and monitoring vibrations through an intelligent sensor network will be built on a Greek mountainside.
New homes rise from rubbish
Imagine if you could turn old rubbish into new houses. That's exactly what civil engineer Dr John Forth from University of Leeds wants to achieve with the invention of a building block made almost entirely of recycled glass, metal slag, sewage sludge, incinerator ash, and pulverised fuel ash from power stations.
Flexible electronics could find applications as sensors, artificial muscles
Flexible electronic structures with the potential to bend, expand and manipulate electronic devices are being developed by researchers at the U.S. Department of Energy's Argonne National Laboratory and the University of Illinois at Urbana-Champaign. These flexible structures could find useful applications as sensors and as electronic devices that can be integrated into artificial muscles or biological tissues.
Genomic test could help detect radioactivity exposure from terrorist attacks
In the event of a nuclear or radiological catastrophe -- such as a nuclear accident or a "dirty bomb" -- thousands of people would be exposed to radiation, with no way of quickly determining how much of the deadly substance has seeped inside their bodies. Scientists at Duke University Medical Center have developed a new blood test to rapidly detect levels of radiation exposure so that potentially life-saving treatments could be administered to the people who need them most.
Why the rich get richer
A new theory shows how wealth, in different forms, can stick to some but not to others. The findings have implications ranging from the design of the Internet to economics.
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Engineers create 'optical cloaking' design for invisibility
Researchers using nanotechnology have taken a step toward creating an "optical cloaking" device that could render objects invisible by guiding light around anything placed inside this "cloak."
Researchers find best way to detect airborne pathogens
Current methods used to sniff out dangerous airborne pathogens may wrongly suggest that there is no threat to health when, in reality, there may be. But researchers have found a better method for collecting and analyzing these germs that could give a more accurate assessment of their actual threat. For example, the findings may make it easier to detect airborne pathogens in low concentrations.
Nanogenerator provides continuous electrical power
Researchers have demonstrated a prototype nanometer-scale generator that produces continuous direct-current electricity by harvesting mechanical energy from such environmental sources as ultrasonic waves, mechanical vibration or blood flow.
Researchers are developing energy-efficient digital network technology
Scientists at the U.S. Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab) are working with industry to develop technologies to make electronic networks — whether they are used for the Internet, consumer electronics, or both — more energy-efficient. They are also developing specifications and information programs to speed the adoption of energy-efficient technologies in the marketplace.
Insects guide navigation for unmanned helicopters
Manned military helicopters will always be used in warfare because commanders need to deploy troops and attack military targets. But Australian scientists are applying insect navigation systems to guide unmanned mini-helicopters that could be used in counter-terrorism and defence surveillance operations.
Carnegie mellon p2p system could speed movie, music downloads
A Carnegie Mellon University computer scientist says transferring large data files, such as movies and music, over the Internet could be sped up significantly if peer-to-peer (P2P) file-sharing services were configured to share not only identical files, but also similar files.
Assistive robot adapts to people, new places
In the futuristic cartoon series "The Jetsons," a robotic maid named Rosie whizzed around the Jetsons' home doing household chores--cleaning, cooking dinner and washing dishes.
Cornell researchers develop virus-size 'nanolamps' that could aid use of flexible electronic devices as sensors
To help light up the nanoworld, a Cornell interdisciplinary team of researchers has produced microscopic "nanolamps" -- light-emitting nanofibers about the size of a virus or the tiniest of bacteria.
Discovery could be key advance for nanotechnology
Biochemists at Oregon State University have discovered that a little-known type of chemical bond called a "halogen bond" can be used to control and manipulate the three dimensional shape of DNA, opening the door to new types of engineering at the atomic level.
Scientists develop ecological early warning device
Working with collaborators from around the globe, scientists at Los Alamos National Laboratory have developed a method for constantly measuring climate change impacts at ecosystem scales using the stable isotope composition of atmospheric CO2 in plants. The method might someday serve as an early warning system for ecological collapse.
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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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