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| Engineering articles |
Snake-like robot and steady-hand system could assist surgeons
Drawing on advances in robotics and computer technology, Johns Hopkins University researchers are designing new high-tech medical tools to equip the operating room of the future. These systems and instruments could someday help doctors treat patients more safely and effectively and allow them to perform surgical tasks that are nearly impossible today.
Bungee-powered backpack can lighten your load
Old Saint Nick might very well be able to run from rooftop to rooftop without reindeer this year, if only he carried toys in a backpack like the one developed by biologists at the University of Pennsylvania.
Researchers demonstrate direct brain control of humanoid robot
A classic science-fiction scene shows a person wearing a metal skullcap with electrodes sticking out to detect the person's thoughts. Another sci-fi movie standard depicts robots doing humans' bidding. Now the two are combined, and in real life: University of Washington researchers can control the movement of a humanoid robot with signals from a human brain.
Pinpoint sound beams hunt buried land mines
Researchers at MIT's Lincoln Laboratory are developing a highly pinpointed sound beam that can detect buried land mines from a safe distance. The new beam will use sound to seek out land mines like a bat uses sonar to hunt its prey.
Unbelted backseat passengers produce deadly results
New research shows that unbelted backseat passengers risk injury or death to themselves and the driver seated in front of them in the event of a head-on crash.
New research could lead to invisible electronics
Imagine a car windshield that displays a map to your destination, military goggles with targets and instructions displayed right before a soldier's eyes or a billboard that doubles as a window.
Mini-autonomous underwater vehicles show research value
NOAA's National Centers for Coastal Ocean Science have successfully tested a new generation of autonomous underwater vehicles in the Newport River, N. C., estuary at depths often less than two feet. The vehicles, navigating via Global Positioning System and pre-programmed guidance, collected critical environmental data including oxygen, salinity, temperature, chlorophyll, acidity, sediment, and water depth.
Robotic crawler detects wear in power lines
To your left runs a high-voltage power cable that is worn, but still physically sound. To your right runs a cable that looks identical, but damaged insulation means the cable is vulnerable to a short. Can you tell the difference?
Scalable video coding and other wireless highlights
During a live video conference, people with wildly different technical constraints are all watching the best possible version of your video even though you're only providing one video stream. This ability to serve up just one video stream for many different users requires "scalable video coding".
Nanomaterials could disperse in natural environment
Laboratory experiments with a type of nanomaterial that has great promise for industrial use show significant potential for dispersal in aquatic environments—especially when natural organic materials are present.
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Informatics scientists' 'active cookies' put bite on cyber crooks
Researchers at the Indiana University School of Informatics and RSA Laboratories have written a recipe to protect Internet users from identity theft and other kinds of cyber attacks.
New molecules fastest ever for optical technologies
The internet could soon shift into overdrive thanks to a new generation of optical molecules developed and tested by a team of researchers from Washington State University, the University of Leuven in Belgium and the Chinese Academy of Science in China.
From dairy waste to electric power
Cow manure, waste silage, cheese whey are waste products to some, but viable energy sources to enterprising Clarkson University researchers who are helping area farmers meet their own energy needs.
New research could lead to invisible electronics
Imagine a car windshield that displays a map to your destination, military goggles with targets and instructions displayed right before a soldier's eyes or a billboard that doubles as a window.
Squired-inspired design could mean better handling of unmanned vehicles
Inspired by the sleek and efficient propulsion of squid, jellyfish and other cephalopods, a University of Colorado at Boulder researcher has designed a new generation of compact vortex generators that could make it easier for scientists to maneuver and dock underwater vehicles at low speeds and with greater precision.
Tennis, ballet put study in motion
It has been happening since the dawn of science. A researcher tries to answer a specific question in a clearly defined area and finds the process leading down an entirely unexpected path.
Walking molecule now carries packages
A research team, led by UC Riverside's Ludwig Bartels, was the first to design a molecule that can move in a straight line on a flat surface. Now this team has found a way to attach cargo: two CO2 molecules, making the nano-walker a molecule carrier.
Nanoengineered concrete could cut carbon dioxide emissions
While government leaders argue about the practicality of reducing world emissions of carbon dioxide, scientists and engineers are seeking ways to make it happen.
New sensor detects direction of sound under water
A new sensor that measures the motion created by sound waves under water could allow the U.S. Navy to develop compact arrays to detect the presence of enemy submarines.
Chemists report the creation of large-scale molecular memory
A team of UCLA and California Institute of Technology chemists reports in the Jan. 25 issue of the journal Nature the successful demonstration of a large-scale, "ultra-dense" memory device that stores information using reconfigurable molecular switches. This research represents an important step toward the creation of molecular computers that are much smaller and could be more powerful than today's silicon-based computers.
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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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