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| Engineering articles |
Cornell sets record for creating high-frequency microresonator in silicon
Many researchers in microelectromechanical systems (MEMS) have focused on resonators -- tiny devices that vibrate at radio frequencies -- to replace quartz crystals and other oscillators and can be economically integrated directly into a silicon chip.
Crab-like robot could benefit undersea exploration
Underwater exploration may become easier in the future thanks to a new prototype crab-like robot invented by a University of Bath postgraduate student.
Statue of david lends perfect form to new method for modeling strain in both inanimate and human structures
For statues, stress injuries come from standing in place for hundreds of years. Using a novel technique, researchers have now developed a way to predict such fracturing, applying the procedure to Michelangelo's David in an analysis that proved simpler, faster and more accurate than previous methods.
Robot fetches objects with just a point and a click
Robots are fluent in their native language of 1 and 0 absolutes but struggle to grasp the nuances and imprecise nature of human language. While scientists are making slow, incremental progress in their quest to create a robot that responds to speech, gestures and body language, a more straightforward method of communication may help robots find their way into homes sooner.
Researchers achieve dramatic increase in thermoelectric efficiency
Researchers at Boston College and MIT have used nanotechnology to achieve a major increase in thermoelectric efficiency, a milestone that paves the way for a new generation of products - from semiconductors and air conditioners to car exhaust systems and solar power technology - that run cleaner.
Can a laser scanner drive a car?
A car that navigates city streets without a driver – steered only by a computer? That might seem impossible to many. But researchers from Fraunhofer and the FU Berlin are presenting such an automated vehicle at this year's Hannover Messe on April 21 through 25, 2008 (Hall 25, Stand H25). Its core element is a three-dimensional laser scanner.
Engineers make first 'active matrix' display using nanowires
Engineers have created the first "active matrix" display using a new class of transparent transistors and circuits, a step toward realizing applications such as e-paper, flexible color monitors and "heads-up" displays in car windshields.
Sandia researchers purposely damage batteries to see how much abuse they can take
Researchers in the Power Sources R&D group at Sandia National Laboratories have been driving nails into batteries, heating them to extreme temperatures, overcharging them, and putting them into some of the most adverse conditions possible to see how much abuse they can take before they blow up.
Researcher's nanodevice could cut airport lines
One day soon, a biosensing nanodevice developed by ASU researcher Wayne Frasch may eliminate long lines at airport security checkpoints and revolutionize health screenings for diseases such as anthrax, cancer and antibiotic-resistant Staphylococcus aureus (MRSA).
Music file compressed 1,000 times smaller than mp3
Researchers at the University of Rochester have digitally reproduced music in a file nearly 1,000 times smaller than a regular MP3 file.
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Nano-sized technology has super-sized effect on tumors
Anyone facing chemotherapy would welcome an advance promising to dramatically reduce their dose of these often harsh drugs. Using nanotechnology, researchers at Washington University School of Medicine in St. Louis have taken a step closer to that goal.
Promising new nanotechnology for spinal cord injury
A spinal cord injury often leads to permanent paralysis and loss of sensation below the site of the injury because the damaged nerve fibers can't regenerate. The nerve fibers or axons have the capacity to grow again, but don't because they're blocked by scar tissue that develops around the injury.
Expert foresees 10 more years of r&d to make solar energy competitive
Despite oil prices that hover around $100 a barrel, it may take at least 10 or more years of intensive research and development to reduce the cost of solar energy to levels competitive with petroleum, according to an authority on the topic.
Researchers classify web searches
Although millions of people use Web search engines, researchers show that – by using relatively simple methods – most queries submitted can be classified into one of three categories.
Hubble maps the changing constellation of internet 'black holes'
You're trying to log on to a Web site and it's not working. You try again and again. But persistence doesn't pay off. The site you want is inexplicably, frustratingly, out of reach.
I'm listening -- conversations with computers
A computer system that can carry on a discussion with a human being by reacting to signals such as tone of voice and facial expression, is being developed by an international team including Queen's University Belfast.
Researchers mimic bacteria to produce magnetic nanoparticles
When it comes to designing something, it's hard to find a better source of inspiration than Mother Nature. Using that principle, a diverse, interdisciplinary group of researchers at the U.S. Department of Energy's Ames Laboratory is mimicking bacteria to synthesize magnetic nanoparticles that could be used for drug targeting and delivery, in magnetic inks and high-density memory devices, or as magnetic seals in motors.
Bridging the green led gap to provide greener lighting
Nelson Tansu and Volkmar Dierolf recently received a grant to study methods of improving the efficiency of white LEDs.
Engineering prof builds brains for robotic cars
Jonathan Sprinkle wants to build robotic vehicles that pass the Turing Test. The test, proposed by Alan Turing in a 1950 paper, "Computing Machinery and Intelligence," requires a robot's behavior to be so lifelike that an observer can't tell if he's dealing with a robot or a person.
UCSC computer scientists develop solutions for long-term storage of digital data
Although the digital age is well under way, one crucial detail remains to be worked out--how to store vast amounts of digital information in a way that allows future generations to recover it.
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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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