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| Engineering articles |
Software patch makes car more fuel-efficient
A car wastes energy almost continuously. Whether it is running in first, second, or a higher gear, there is only one position of the accelerator that guarantees optimal performance. Accelerating a little less or a little bit more can cause considerable loss of energy.
Nasa's robotic sub readies for dive into earth's deepest sinkhole
An underwater robot, shaped like a flattened orange, maneuvered untethered and autonomously within a 115-meter-deep sinkhole during tests this month in Mexico, a prelude to its mission to probe the mysterious nether reaches of the world's deepest sinkhole.
Engine helps satellites blast off with less fuel
Georgia Tech researchers have developed a new protoype engine that allows satellites to take off with less fuel, opening the door for deep space missions, lower launch costs and more payload in orbit.
Nanotube, heal thyself
Pound for pound, carbon nanotubes are stronger and lighter than steel, but unlike other materials, the miniscule cylinders of carbon – which are no wider than a strand of DNA – remain remarkably robust even when chunks of their bodies are blasted away with heat or radiation. A new study by Rice University scientists offers the first explanation: tiny blemishes crawl over the skin of the damaged tubes, sewing up larger holes as they go.
Can your ipod hold 100,000 songs?
"The next generation of consumer electronics hinges on even smaller and higher density hard drives," says condensed-matter physicist Johan van Lierop of the University of Manitoba.
Novel salamander robot crawls its way up the evolutionary ladder
A group of European researchers has developed a spinal cord model of the salamander and implemented it in a novel amphibious salamander-like robot. The robot changes its speed and gait in response to simple electrical signals, suggesting that the distributed neural system in the spinal cord holds the key to vertebrates' complex locomotor capabilities.
New electronic devices created from bent nanowires
Researchers have taken advantage of the unique coupled semiconducting and piezoelectric properties of zinc oxide nanowires to create a new class of electronic components and devices that could provide the foundation for a broad range of new applications.
New graphene transistor promises life after death of silicon chip
Researchers have used the world's thinnest material to create the world's smallest transistor - a breakthrough that could spark the development of a new type of super-fast computer chip.
Sound waves turn natural gas into liquid
Worldwide, 100 billion cubic meters of natural gas is wasted every year. Now, the Denver-based company Swift LNG aims to turn that gas into a usable liquid fuel with a thermoacoustic natural gas liquefaction technology just licensed from Los Alamos National Laboratory.
Super small nanoelectrodes can probe microscale environments
Investigating the composition and behavior of microscale environments, including those within living cells, could become easier and more precise with nanoelectrodes being developed at the University of Illinois.
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Virtual reality for virtual eternity
Imagine having a discussion with Isaac Newton or Albert Einstein on the nature of the universe, where their 3-D, life-sized representations looked you in the eye, examined your body language, considered voice nuances and phraseology of your questions, then answered you in a way that is so real you would swear the images were alive.
New micromanipulator may help build micro-machines
Future microscopic-sized machines assembled with micrometer or nanometer-scale parts will need to be made with devices that use tiny, agile "fingers" that can grip, lift and do the assembly work in a controlled, coordinated way.
New program aims to overhaul the internet
The Internet is enough of a marvel that most people would never ask, "Is this really how we would build it if we could design it all today?" But asking that very question is the job of a broad-based team of Stanford researchers.
Biofuels: an advisable strategy?
Biofuels have been an increasingly hot topic on the discussion table in the last few years. In 2003 the European Union introduced a Directive suggesting that Member states should increase the share of biofuels in the energy used for transport to 2% by 2005 and 5.75% by 2010. In 2005 the target was not reached and it will probably not be reached in 2010 either (we are in 2006 at approximately 0.8%), but anyway the Directive showed the great interest that the European Commission places on biofuels as a way to solve many problems at once. The new European energy strategy, presented on 10th January 2007, establishes that biofuels should represent at least 10% of the energy used for transport.
Ornl helps develop next-generation leds
Nanotechnology may unlock the secret for creating highly efficient next-generation LED lighting systems, and exploring its potential is the aim of several projects centered at Oak Ridge National Laboratory.
Software pinpoints traffic accident hotspots
Ohio State University scientists have created software that can identify traffic accident hotspots on state roadways.
New sensor detects gaseous chemical weapon surrogates in 45 seconds
Using lasers and tuning forks, researchers at Pacific Northwest National Laboratory have developed a chemical weapon agent sensing technique that promises to meet or exceed current and emerging defense and homeland security chemical detection requirements. The technique, called Quartz Laser Photo-Acoustic Sensing, or "QPAS," is now ready for prototyping and field testing.
Mobile phones can soon survive being dropped
Dutch researcher Paulette Prins has demonstrated that plastic does not have to be a poorer conductor than present-day semi-conductors. This opens up the way for a revolution in consumer electronics: mobile phones and MP3 players will soon survive being dropped.
Scientists create each letter of the alphabet at the microscale
UCLA scientists have designed and mass-produced billions of fluorescent microscale particles in the shapes of all 26 letters of the alphabet in an "alphabet soup" displaying "exquisite fidelity of the shapes."
Brush anode and tubular cathode scale up microbial fuel cells
Generating electricity from renewable sources will soon become as easy as putting a brush and a tube in a tub of wastewater.
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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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