Tumors are notoriously difficult to study in their natural habitat – body tissues – but a new synthetic tissue environment may give cancer researchers the next-best look at tumor growth and behavior.
Thirsty cities, fields and livestock drink deeply from aquifers, natural sources of groundwater. But a study of three of the most-tapped aquifers in the United States shows that overdrawing from these resources could lead to difficult choices affecting not only domestic food security but also international markets.
Eye doctors soon could use computing power to help them see individual cells in the back of a patient’s eye, thanks to imaging technology developed by engineers at the University of Illinois. Such detailed pictures of the cells, blood vessels and nerves at the back of the eye could enable earlier diagnosis and better treatment for degenerative eye and neurological diseases.
Researchers have found an easy way to produce carbon nanoparticles that are small enough to evade the body’s immune system, reflect light in the near-infrared range for easy detection, and carry payloads of pharmaceutical drugs to targeted tissues.
University of Illinois researchers have developed heat-triggered self-destructing electronic devices, a step toward greatly reducing electronic waste and boosting sustainability in device manufacturing. They also developed a radio-controlled trigger that could remotely activate self-destruction on demand.
Technology in common household humidifiers could enable the next wave of high-tech medical imaging and targeted medicine, thanks to a new method for making tiny silicone microspheres developed by chemists at the University of Illinois.
A more effective method for closing gaps in atomically small wires has been developed by University of Illinois researchers, further opening the doors to a new transistor technology.
Giving new meaning to the term “sonic boom,” University of Illinois chemists have used sound to trigger microscopic explosions.
One infrared scan can give pathologists a window into the structures and molecules inside tissues and cells, enabling fast and broad diagnostic assessments, thanks to an imaging technique developed by University of Illinois researchers and clinical partners.
Thanks to new software developed at the University of Illinois, machines now can learn to understand mathematical reasoning expressed in language, which could greatly improve search engines and access to data as well as boost mathematics education.
A University of Illinois professor and two of his former students are among the five pioneers of LED technology honored with the 2015 Draper Prize, one of the most prestigious awards in engineering.
Stroke victims could have more time to seek treatment that could reduce harmful effects on the brain, thanks to tiny blobs of gelatin that could deliver the medication to the brain noninvasively.
A new, sophisticated statistical technique developed by researchers at the University of Illinois and the University of Texas at Austin can help researchers construct more accurate species trees detailing the lineage of genes and the relationships between species.
Tiny, thin microtubes could provide a scaffold for neuron cultures to grow so that researchers can study neural networks, their growth and repair, yielding insights into treatment for degenerative neurological conditions or restoring nerve connections after injury.
When Illinois researchers set out to investigate a method to control how DNA moves through a tiny sequencing device, they did not know they were about to witness a display of molecular gymnastics.
In addition to providing renewable energy, grass crops like switchgrass and miscanthus could store some of the carbon they pull from the atmosphere in the soil, according to a new study by University of Illinois researchers.
Tami Bond, a professor of civil and environmental engineering at the University of Illinois at Urbana-Champaign, has been awarded a 2014 MacArthur Fellowship, commonly known as a “genius grant,” from the John D. and Catherine T. MacArthur Foundation.
It may look like fresh blood and flow like fresh blood, but the longer blood is stored, the less it can carry oxygen into the tiny microcapillaries of the body, says a new study from University of Illinois researchers.
Obesity is associated with many health risks, including heart disease and diabetes, but University of Illinois researchers have found a possible way to mitigate one often-overlooked risk: not buckling up in the car.
University of Illinois engineers are bringing a touch of color to glucose monitoring.
The researchers developed a new continuous glucose monitoring material that changes color as glucose levels fluctuate, and the wavelength shift is so precise that doctors and patients may be able to use it for automatic insulin dosing – something not possible using current point measurements like test strips.
Gene-based personalized medicine has many possibilities for diagnosis and targeted therapy, but one big bottleneck: the expensive and time-consuming DNA-sequencing process.
Cancer cells that break away from tumors to go looking for a new home may prefer to settle into a soft bed, according to new findings from researchers at the University of Illinois.
Engineers at the University of Illinois at Urbana-Champaign are using Shrinky Dinks, plastic that shrinks under high heat, to close the gap between nanowires in an array to make them useful for high-performance electronics applications.
Engineers at the University of Illinois at Urbana-Champaign demonstrated a class of walking “bio-bots” powered by muscle cells and controlled with electrical pulses, giving researchers unprecedented command over their function.
University of Illinois mechanical science and engineering professor Naira Hovakimyan has been chosen to receive the prestigious Humboldt Research Award (or Humboldt Prize) honoring a career of research achievements.
The gap between stem cell research and regenerative medicine just became a lot narrower, thanks to a new technique that coaxes stem cells, with potential to become any tissue type, to take the first step to specialization. It is the first time this critical step has been demonstrated in a laboratory.
Looking at a smooth sheet of plastic in one University of Illinois laboratory, no one would guess that an impact had recently blasted a hole through it. Illinois researchers have developed materials that not only heal, but regenerate. Until now, self-repairing materials could only bond tiny microscopic cracks. The new regenerating materials fill in large cracks and holes by regrowing material.
Wearing a fitness tracker on your wrist or clipped to your belt is so 2013. Engineers at the University of Illinois at Urbana-Champaign and Northwestern University have demonstrated thin, soft stick-on patches that stretch and move with the skin and incorporate commercial, off-the-shelf chip-based electronics for sophisticated wireless health monitoring.
Look out, super glue and paint thinner. Thanks to new dynamic materials developed at the University of Illinois, removable paint and self-healing plastics soon could be household products.
The alien world of aquatic micro-organisms just got new residents: synthetic self-propelled swimming bio-bots.
Andreas C. Cangellaris, the head of the department of electrical and computer engineering at the University of Illinois at Urbana-Champaign, has been chosen to be the next dean of the College of Engineering.
3-D printing now can be used to print lithium-ion microbatteries the size of a grain of sand. The printed microbatteries could supply electricity to tiny devices in fields from medicine to communications, including many that have lingered on lab benches for lack of a battery small enough to fit the device, yet providing enough stored energy to power it.
Two graduate students at the University of Illinois have won Intel Ph.D. Fellowships for the 2013-14 academic year. Fifteen fellowships were awarded nationwide.
Nick Holonyak Jr., a John Bardeen Professor of Electrical and Computer Engineering and Physics at the University of Illinois, has been chosen to be a charter fellow of the National Academy of Inventors.
University of Illinois graduate student Samantha Chadwick is among 18 young scholars nationwide to be named a Luce Scholar for 2013-2014.
Like turning coal to diamond, adding pressure to an electrical material enhances its properties. Now, University of Illinois at Urbana-Champaign researchers have devised a method of making ferroelectric thin films with twice the strain, resulting in exceptional performance.
Weng Cho Chew and Thomas J. Overbye, both professors of electrical and computer engineering at the University of Illinois at Urbana-Champaign, have been elected to membership in the National Academy of Engineering.
University of Illinois aerospace engineering professor Scott R. White has been chosen to receive the prestigious Humboldt Research Award honoring a lifetime of research achievements.
Sulfur compounds in petroleum fuels have met their nano-structured match. University of Illinois researchers developed mats of metal oxide nanofibers that scrub sulfur from petroleum-based fuels much more effectively than traditional materials.
On the road to smaller, high-performance electronics, University of Illinois researchers have smoothed one speed bump by shrinking a key, yet notoriously large element of integrated circuits.
The small kerosene lamps that light millions of homes in developing countries have a dark side: black carbon fine particles of soot released into the atmosphere.
Six faculty members at the University of Illinois have been named 2012 fellows of the American Association for the Advancement of Science: animal biology professor Chi-Hing Christina Cheng, electrical and computer engineering professor Kent Choquette, psychology professor Neal Cohen, chemistry professor So Hirata, anthropology professor Lisa Lucero and physics professor Philip Phillips.
New insights into a protein complex that regulates the very tips of chromosomes could improve methods of screening anti-cancer drugs.
Jonathan Naber, of Waterloo, Ill., has been awarded a Marshall Scholarship. Each year, about 40 students from the United States are selected as Marshall Scholars for postgraduate study at a university in the United Kingdom.
With self-assembly guiding the steps and synchronization providing the rhythm, a new class of materials forms dynamic, moving structures in an intricate dance.
University of Illinois researchers have a new low-cost method to carve delicate features onto semiconductor wafers using light and watch as it happens.
Physicians and environmentalists alike could soon be using a new class of electronic devices: small, robust and high performance, yet also biocompatible and capable of dissolving completely in water or in bodily fluids.
Researchers could have a new method to rebuild wetlands of the Louisiana delta, thanks to a chance finding while monitoring severe flooding of the Mississippi River.
A simple new improvement to an essential microscope component could greatly improve imaging for researchers who study the very small, from cells to computer chips.
Experienced anglers know that choppy waters make for difficult fishing, so they try not to rock the boat. Thanks to a new microscopy technique, cell biology researchers can heed that same advice. University of Illinois researchers developed a method they call trolling AFM, which allows them to study soft biological samples in liquid with high resolution and high quality.
A recent University of Illinois graduate has received a Whitaker International Fellow Grant to fund overseas bioengineering research during the 2012-13 academic year.
The smoke rising from a cookstove fills the air with the tantalizing aroma of dinner and a cloud of pollutants and particles that threaten both health and the environment. How families in developing countries use their cookstoves has a big effect on emissions from those stoves, and laboratory emission tests dont accurately reflect real-world operations, according to a study by University of Illinois researchers.
Photonics pioneer James J. Coleman has been elected to membership in the National Academy of Engineering. Coleman is the Intel Alumni Endowed Chair in Electrical and Computer Engineering and a professor of materials science and engineering at the University of Illinois.
University of Illinois materials scientists have developed a new reactive silver ink for printing high-performance electronics on ubiquitous, low-cost materials such as flexible plastic, paper or fabric substrates.
Creating semiconductor structures for high-end optoelectronic devices just got easier, thanks to University of Illinois researchers. The team developed a method to chemically etch patterned arrays in the semiconductor gallium arsenide, used in solar cells, lasers, light emitting diodes (LEDs), field effect transistors (FETs), capacitors and sensors.
When one tiny circuit within an integrated chip cracks or fails, the whole chip -- or even the whole device -- is a loss. But what if it could fix itself, and fix itself so fast that the user never knew there was a problem?
Clinical gene therapy may be one step closer, thanks to a new twist on an old class of molecules.
Researchers have developed a bandage that stimulates and directs blood vessel growth on the surface of a wound. The bandage, called a microvascular stamp, contains living cells that deliver growth factors to damaged tissues in a defined pattern. After a week, the pattern of the stamp is written in blood vessels, the researchers report.
Tiny wires could help engineers realize high-performance solar cells and other electronics, according to University of Illinois researchers.
New observations could improve industrial production of high-quality graphene, hastening the era of graphene-based consumer electronics, thanks to University of Illinois engineers.
University of Illinois chemical and biomolecular engineering professor Charles Schroeder has been named a Packard Fellow in science and engineering. He is among 16 early career researchers honored by the David and Lucille Packard Foundation in 2011 for outstanding creative research.
What if you could trace the history of everything you buy back to its origins? Using your smart phone camera, you could learn what factory made the ingredients in your heart medication, what country grew the corn in your breakfast cereal, or even how to recycle the phone. You could follow the whole life cycle of a product and everyone who handled it along the way to ensure that the medicine youre taking isnt counterfeit and the food youre eating is safe.
An Illinois research team has succeeded in overcoming one major obstacle to a promising technology that simultaneously reduces atmospheric carbon dioxide and produces fuel.
Researchers have engineered new sensors that fluoresce in the presence of compounds that interact with estrogen receptors in human cells. The sensors detect natural or human-made substances that alter estrogenic signaling in the body.
A new physics-based theory could give researchers a deeper understanding of the unusual, slow dynamics of liquids composed of large polymers. This advance provides a better picture of how polymer molecules respond under fast-flow, high-stress processing conditions for plastics and other polymeric materials.
Engineers have developed a device platform that combines electronic components for sensing, medical diagnostics, communications and human-machine interfaces, all on an ultrathin skin-like patch that mounts directly onto the skin with the ease, flexibility and comfort of a temporary tattoo.
In an advance that could open new avenues for solar cells, lasers, metamaterials and more, researchers at the University of Illinois have demonstrated the first optoelectronically active 3-D photonic crystal.
The pen may have bested the sword long ago, but now its challenging wires and soldering irons.
With the first observation of thermoelectric effects at graphene contacts, University of Illinois researchers found that graphene transistors have a nanoscale cooling effect that reduces their temperature.
Technophiles who have been dreaming of mobile devices that run longer on lighter, slimmer batteries may soon find their wish has been granted.
Cardiologists may soon be able to place sensitive electronics inside their patients hearts with minimal invasiveness, enabling more sophisticated and efficient diagnosis and treatment of arrhythmias.
John A. Rogers, the Lee J. Flory-Founder Chair in Engineering at the University of Illinois, is among the 68 new members elected to the National Academy of Engineering.
Researchers at the University of Illinois and Northwestern University have demonstrated bio-inspired structures that self-assemble from simple building blocks: spheres.
Using detailed land analysis, Illinois researchers have found that biofuel crops cultivated on available land could produce up to half of the worlds current fuel consumption without affecting food crops or pastureland.
In one University of Illinois lab, invisibility is a matter of now you hear it, now you dont. Led by mechanical science and engineering professor Nicholas Fang, Illinois researchers have demonstrated an acoustic cloak, a technology that renders underwater objects invisible to sonar and other ultrasound waves.
Vaccine manufacturers and public health decision-makers need to collaborate in a more efficient and effective manner not only to reduce the likelihood of supply shortages for pediatric vaccines but also to maximize community immunity, says Sheldon H. Jacobson, a University of Illinois researcher who specializes in statistics and data analysis.
A new study analyzing the impact of hand-held cell phone legislation on driving safety concludes that usage-ban laws had more of an impact in densely populated urban areas with a higher number of licensed drivers than in rural areas where there are fewer licensed drivers, according to a University of Illinois researcher.
Applying a small mechanical force to embryonic stem cells could be a new way of coaxing them into a specific direction of differentiation, researchers at the University of Illinois report. Applications for force-directed cell differentiation include therapeutic cloning and regenerative medicine.
A team of students from the University of Illinois won second place today (Oct. 16) in the 2009 Solar Decathlon design competition sponsored by the U.S. Department of Energy.
A new process for creating ultrathin, ultrasmall inorganic light-emitting diodes (LEDs) and assembling them into large arrays offers new classes of lighting and display systems with interesting properties, such as see-through construction and mechanical flexibility, that would be impossible to achieve with existing technologies.
Researchers at the University of Illinois have now revealed the naked truth about a classic bell-shaped curve used to describe the motion of a liquid as it diffuses through another material.
Scientists at the University of Illinois have successfully demonstrated a microwave signal mixer made from a tunnel-junction transistor laser. Development of the device brings researchers a big step closer to higher speed electronics and higher performance electrical and optical integrated circuits.
A new imaging technique developed by researchers at the University of Illinois overcomes the limit of diffraction and can reveal the atomic structure of a single nanocrystal with a resolution of less than one angstrom (less than one hundredth-millionth of a centimeter).
Graphene, a single-atom-thick sheet of carbon, holds remarkable promise for future nanoelectronics applications. Whether graphene actually cuts it in industry, however, depends upon how graphene is cut, say researchers at the University of Illinois.
A new ink, developed by researchers at Illinois, is composed of silver nanoparticles and can be used in electronic and optoelectronic applications to create flexible, stretchable and spanning microelectrodes that carry signals from one circuit element to another.
By pushing carbon nanotubes close to their breaking point, researchers at the University of Illinois have demonstrated a remarkable increase in the current-carrying capacity of the nanotubes, well beyond what was previously thought possible.
By integrating a solid-state electron emitter and a microcavity plasma device, researchers at the University of Illinois have created a plasma transistor that could be used to make lighter, less expensive and higher resolution flat-panel displays.
Recent experiments have shown the absence of the thermoelectric effect in metallic carbon nanotubes. Building upon earlier theoretical work, researchers at the University of Illinois say they can explain this peculiar behavior, and put it to good use.
Excess fuel consumption caused by excess driver and passenger weight has increased in the past two years, with no end in sight.
Imagine tiny cracks in your patio table healing by themselves, or the first small scratch on your new car disappearing by itself. This and more may be possible with self-healing coatings being developed at the University of Illinois.
Researchers at the University of Illinois have developed a new generation of biomimetic membranes for water treatment and drug delivery. The highly permeable and selective membranes are based on the incorporation of the functional water channel protein Aquaporin Z into a novel A-B-A triblock copolymer.
A new catalyst-free, self-healing material system developed by researchers at the University of Illinois offers a far less expensive and far more practical way to repair composite materials used in structural applications ranging from airplane fuselages to wind-farm propeller blades.
Firefighters battling wildfires like those devastating Southern California, or even a smaller structural fire, have to endure temperatures in the hundreds of degrees. A study at the Illinois Fire Service Institute on the U. of I.'s Urbana campus is examining an enhanced version of personal protective equipment that is lighter, less restrictive and uses a firefighter's exhaled breath to cool the body and help combat heat stress, which researchers believe contributes to many of the on-the-job deaths and injuries firefighters suffer each year.
New sol-gel inks developed by researchers at the University of Illinois can be printed into patterns to produce three-dimensional structures of metal oxides with nanoscale features.
It's been hailed as one of the greatest discoveries in theoretical physics in the 20th century - a theory that has influenced essentially all areas of physics, from the structure of atomic nuclei to the cores of neutron stars. And it was developed by University of Illinois physicist John Bardeen, postdoctoral research associate Leon Cooper and graduate student J. Robert Schrieffer 50 years ago.
To commemorate the pioneering work of University of Illinois researchers in understanding the mechanism of superconductivity, the American Physical Society is designating the old Physics Building, 1304 W. Green St., Urbana, as a site of historic significance to physics.
As the sizes of sensor networks and mobile devices shrink toward the microscale, and even nanoscale, there is a growing need for suitable power sources. Because even the tiniest battery is too big to be used in nanoscale devices, scientists are exploring nanosize systems that can salvage energy from the environment.
By placing quantum dots on a specially designed photonic crystal, researchers at the University of Illinois have demonstrated enhanced fluorescence intensity by a factor of up to 108. Potential applications include high-brightness light-emitting diodes, optical switches and personalized, high-sensitivity biosensors.
Researchers at the University of Illinois have discovered a way to generate light and reduce damage in a leading candidate for next-generation microelectronics lithography. The technique could help pack more power into smaller computer chips.
By combining electrically induced fluid flow with nanoscale nozzles, researchers at the University of Illinois have established new benchmarks for precision control and resolution in jet-printing processes.
Global warming isn't the only heat scientists are feeling. Another area in which heat flow is becoming crucial is the field of molecular electronics, where long-chain molecules attached to tiny electrodes are used to transport and switch electrons.
A semiconductor membrane designed by researchers at the University of Illinois could offer more flexibility and better electrical performance than biological membranes. Built from thin silicon layers doped with different impurities, the solid-state membrane also could be used in applications such as single-molecule detection, protein filtering and DNA sequencing.
The next generation of self-healing materials, invented by researchers at the University of Illinois, mimics human skin by healing itself time after time. The new materials rely upon embedded, three-dimensional microvascular networks that emulate biological circulatory systems.
Researchers at the University of Illinois are developing panels of microcavity plasma lamps that may soon brighten people's lives. The thin, lightweight panels could be used for residential and commercial lighting, and for certain types of biomedical applications.
As many homeowners know, when stacking firewood, pieces should be placed close enough to permit passage of a mouse, but not of a cat chasing the mouse.
Polymer glasses are versatile plastics widely used in applications ranging from aircraft windshields to DVDs. Researchers at the University of Illinois have developed a theory that predicts how these materials age. The theory also explains why motions at the molecular level can have macroscopic consequences.
Crumpled kitchen foil that lays flat for reuse. Bent bumpers that straighten overnight. Dents in car doors that disappear when heated with a hairdryer. These and other physical feats may become possible with a technique to make memory metals discovered by researchers at the University of Illinois.
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.
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.
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.
To find prey and avoid being preyed upon, fish rely on a row of specialized sensory organs along the sides of their bodies, called the lateral line. Now, a research team led by Chang Liu at the University of Illinois at Urbana-Champaign has built an artificial lateral line that can provide the same functions in underwater vehicles.
Creating high-resolution metallic interconnects is an essential part of the fabrication of microchips and other nanoscale devices. Researchers at the University of Illinois at Urbana-Champaign have developed a simple and robust electrochemical process for the direct patterning of metallic interconnects and other nanostructures.
Researchers at the University of Illinois at Urbana-Champaign have developed a novel computational image-forming technique for optical microscopy that can produce crisp, three-dimensional images from blurry, out-of-focus data.
There may be tiny bubbles in the wine, but not at the interface between water and a waxy coating on glass, a new study shows.
New instrumentation and observing techniques, being developed by researchers at the University of Illinois at Urbana-Champaign, are helping scientists better understand and predict space weather.
Scientists at the University of Illinois at Urbana-Champaign have again broken their own speed record for the world's fastest transistor. With a frequency of 845 gigahertz, their latest device is approximately 300 gigahertz faster than transistors built by other research groups, and approaches the goal of a terahertz device.
Scientists at the University of Illinois at Urbana-Champaign have designed and built ceramic microreactors for the on-site reforming of hydrocarbon fuels, such as propane, into hydrogen for use in fuel cells and other portable power sources.
A near-infrared imaging technique being developed by researchers at the University of Illinois at Urbana-Champaign could have a significant impact in the way doctors detect, diagnose and treat breast cancer.
Although costs for photovoltaic technology are too high now in comparison with power supplied by traditional utilities, the potential to make solar power economically feasible exists on a smaller scale, according to data released today by the Illinois State Water Survey and the University of Illinois at Urbana-Champaign.
Studying complex systems, such as the movement of robots on a factory floor, the motion of air over a wing, or the effectiveness of a security network, can present huge challenges. Mathematician Robert Ghrist at the University of Illinois at Urbana-Champaign is developing advanced mathematical tools to simplify such tasks.
Inadequate investment in the power grid transmission network remains the Achilles heel of the nation's electric system, an engineer who specializes in utility policy at the University of Illinois at Urbana-Champaign says.
The task of debugging huge computer programs can be made faster and easier by using new software tools developed by programming experts at the University of Illinois at Urbana-Champaign.
Researchers at the University of Illinois at Urbana-Champaign and at the University of Missouri-Rolla have built an ultrasound analogue of the laser.
Two of the five most important papers published in the 43-year history of the journal Applied Physics Letters were written by researchers at the University of Illinois at Urbana-Champaign.
Computer scientists at the University of Illinois at Urbana-Champaign have developed software that enables the sharing of high-speed Internet connections without compromising security or privacy. The software can improve Internet connectivity in residential areas at no additional cost.
If only Fred Astaire and Ginger Rogers were around today to take a spin with new technology being developed and tested by a team of computer scientists in Illinois and California.
A six-month stockpile of recommended pediatric vaccines would cost $1 billion and could cover more than 90 percent of U.S. children during a six-month interruption in production, say researchers at two Illinois universities.
The transistor laser, invented by scientists at the University of Illinois at Urbana-Champaign, has been full of surprises. Researchers recently coaxed the device to reveal fundamental properties of the transistor, and of the transistor laser, moving it a step closer to commercialization.
When Boeing and Airbus developed their latest aircraft, the companies' engineers designed and tested them on a computer long before the planes were built. Biologists are catching on. They've just completed the first computer simulation of an entire life form - a virus.
By combining quantum computation and quantum interrogation, scientists at the University of Illinois at Urbana-Champaign have found an exotic way of determining an answer to an algorithm - without ever running the algorithm.
Researchers at the University of Illinois at Urbana-Champaign who recently reported that DNA-wrapped carbon nanotubes could serve as sensors in living cells now say the tiny tubes can be used to target specific DNA sequences. Potential applications for the new sensors range from rapid detection of hazardous biological agents to simpler and more efficient forensic identification.
A University of Illinois scientist studying how membranes wrinkle has discovered a novel system for on-demand drug delivery.
The transistor laser invented by scientists at the University of Illinois at Urbana-Champaign has now been found to possess fundamental non-linear characteristics that are new to a transistor and permit its use as a dual-input, dual-output, high-frequency signal processor.
Researchers at the University of Illinois at Urbana-Champaign have made an important theoretical breakthrough in the understanding of energy dissipation and thermal breakdown in metallic carbon nanotubes. Their discovery will help move nanotube wires from laboratory to marketplace.
The next wave in electronics could be wavy electronics.
Placing shredded tires on top of - rather than in - landfills can save money and benefit the environment, researchers from the University of Illinois say.
Researchers at the University of Illinois at Urbana-Champaign have demonstrated the room-temperature operation of a heterojunction bipolar transistor laser, moving it an important step closer to commercialization. The scientists describe their work in the Sept. 26 issue of the journal Applied Physics Letters.
The University of Illinois at Urbana-Champaign will be the home of a national center that will address the challenge of how to protect the nation's power grid, the National Science Foundation announced today. The NSF has awarded $7.5 million over five years to the project, which will be led by the U. of I. and also involve researchers at Cornell University, Dartmouth College, and Washington State University. The Department of Energy and the Department of Homeland Security have pledged to join NSF in funding and managing the effort.
An agreement by Midwest governors to coordinate policies for electric transmission lines is a positive move to improve the reliability of the electric supply system, a University of Illinois energy expert says.
Phospholipid bilayers serve as the framework in biological membranes in which other components are embedded. Fundamental not only in biology, lipid bilayers are also essential in applications such as biosensors and nanoreactors.
By depositing nanoparticles onto a charged surface, researchers at the University of Illinois at Urbana-Champaign have crafted nanotubes from silicon that are flexible and nearly as soft as rubber.
A robot's sensitivity to touch could be vastly improved by an array of polymer-based tactile sensors that has been combined with a robust signal-processing algorithm to classify surface textures. The work, performed by a team of researchers at the University of Illinois at Urbana-Champaign, is an essential step in the development of robots that can identify and manipulate objects in unstructured environments.
The concept of a high-capacity superconducting energy pipeline, or SuperGrid, moved closer to reality when experts from industry, government and academia attended a recent workshop
at the University of Illinois at Urbana-Champaign.
A new type of transistor structure, invented by scientists at the University of Illinois at Urbana-Champaign, has broken the 600 gigahertz speed barrier. The goal of a terahertz transistor for high-speed computing and communications applications could now be within reach.
A new dielectric material, developed by researchers at the University of Illinois at Urbana-Champaign, could facilitate the use of copper circuitry at the chip level. The thermally stable aromatic polymer has a low dielectric constant of 1.85, good mechanical properties and excellent adhesion.
In a new and novel study, scientists are looking to nature - specifically, to ants, bees and viruses - for ways to improve human collaboration during disaster relief efforts.
Resembling neatly stacked rows of driftwood abandoned by receding tides, particles left by a confined, evaporating droplet can create beautiful and complex patterns. The natural, pattern-forming process could find use in fields such as nanotechnology and optoelectronics.
A new method of measuring emissions from cookstoves could help improve human health and enhance the accuracy of global climate models.
Researchers at the University of Illinois at Urbana-Champaign have demonstrated the laser operation of a heterojunction bipolar light-emitting transistor. The scientists describe the fabrication and operation of their transistor laser in the Nov. 15 issue of the journal Applied Physics Letters.
Microbial degradation products and other forms of natural organic matter can make water look, smell and taste bad. Natural organic matter also can foul the membranes used in water treatment plants, significantly reducing their efficiency.
A new generation of high surface-area porous materials for removing atrazine from water supplies has been developed by researchers at the University of Illinois at Urbana-Champaign. The low-cost and wear-resistant fibers also can remove the hazardous contaminants chloroform and trichloroethylene, both byproducts of the commonly used chlorine disinfection process.
The University of Illinois at Urbana-Champaign has begun the process of decommissioning its nuclear research reactor. The process will take several years to complete and will be carried out under the scrutiny of the Nuclear Regulatory Commission and the U.S. Department of Energy.
Like virtuosos tuning their violins, researchers at the University of Illinois at Urbana-Champaign have tuned their instruments and harmonized the production of entangled photons, pushing rates to more than 1 million pairs per second.
The University of Illinois at Urbana-Champaign has received a grant from the Defense Advanced Research Projects Agency to create a photonic research center to develop ultra-fast light sources for high-speed signal processing and optical communications systems. The grant will provide $6.2 million in funding over four years.
By carving specks of single crystal silicon from a bulk wafer and casting them onto sheets of plastic, scientists at the University of Illinois at Urbana-Champaign have demonstrated a route to ultrahigh performance, mechanically flexible thin-film transistors. The process could enable new applications in consumer electronics - such as inexpensive wall-to-wall displays and intelligent but disposable radio frequency identification tags - and could even be used in applications that require significant computing power.
As the peak electricity season approaches, little has been done in Washington to prevent a recurrence of last August's power failure that produced a huge blackout in the Northeast, an expert at the University of Illinois at Urbana-Champaign says.
Polar clouds are known to play a major role in the destruction of Earth's protective ozone layer, creating the springtime "ozone hole" above Antarctica. Now, scientists have found that polar clouds also play a significant role in removing meteoric iron from Earth's mesosphere. The discovery could help researchers refine their models of atmospheric chemistry and global warming.
Infrared cameras create images by detecting the heat given off by an object, including the body of a soldier hidden in the dark of night. Now, researchers have developed a technique for imaging how fast heat can move through an object.
The University of Illinois at Urbana-Champaign will offer a course for industry specialists on electricity transmission and power markets June 14-17.
Like spiders spinning webs, researchers at the University of Illinois at Urbana-Champaign are creating complex, three-dimensional structures with micron-size features using a robotic deposition process called direct-write assembly.
Printing circuits on sheets of plastic may offer a low-cost technique for manufacturing thin-film transistors for flexible displays, but maximizing the performance of such devices will require a detailed, fundamental understanding of how charge flows through organic semiconductors.
Heat may be essential for life, but in some cases - such as protecting the space shuttle or improving the efficiency of a jet engine - materials with low thermal conductivities are needed to prevent passage of too much heat. As reported in the Feb. 13 issue of the journal Science, researchers have created a better thermal insulator by controlling material structure at the nanoscale.
Researchers at the University of Illinois at Urbana-Champaign have found a way to significantly improve the performance of vertical-cavity surface-emitting lasers by drilling holes in their surfaces. Faster and cheaper long-haul optical communication systems, as well as photonic integrated circuits, could be the result.
Scientists have discovered why polar mesospheric clouds over the South Pole are nearly two miles higher than those over the North Pole. A variation in solar radiation - a result of Earth's elliptical orbit - is responsible, they say.
Computer simulations play an essential role in the study of complex fluids - liquids that contain particles of different sizes. Such liquids have numerous applications, which depend on a fundamental understanding of their behavior. But the two main techniques for the atomistic simulation of liquids - the molecular dynamics technique and the Monte Carlo method - have limitations that greatly reduce their effectiveness.
Put the inventor of the light-emitting diode and the maker of the world's fastest transistor together in a research laboratory and what kinds of bright ideas might surface? One answer is a light-emitting transistor that could revolutionize the electronics industry.
Researchers at the University of Illinois at Urbana-Champaign have broken their own record for the world's fastest transistor.
America's electricity grid is only as strong as its weakest links, and the huge blackout last Thursday exposed some key flaws that threaten the integrity of the system, a power expert at the University of Illinois at Urbana-Champaign says.
A "smart brick" developed by scientists at the University of Illinois at Urbana-Champaign could monitor a building's health and save lives.
A new imaging technique that uses electron diffraction waves to improve both image resolution and sensitivity to small structures has been developed by scientists at the University of Illinois at Urbana-Champaign. The technique works on the same principle as X-ray diffraction, but can record structure from a single nanostructure or macromolecule.
Using direct-write assembly of organic ink, researchers at the University of Illinois at Urbana-Champaign have developed a technique for fabricating three-dimensional microvascular networks. These tiny networks could function as compact fluidic factories in miniature sensors, chemical reactors, or computers used in applications from biomedicine to information technology.
A high-capacity superconducting energy pipeline, or SuperGrid, could deliver electricity and hydrogen fuel across the nation and help meet future energy needs while reducing the consumption of fossil fuels, say experts who recently assessed the scientific feasibility of the idea.
Beleaguered luggage scanners at the nation's airports may soon find help in a fast algorithm developed by scientists at the University of Illinois at Urbana-Champaign. The algorithm also promises to speed delivery of images generated by computerized tomography in hospitals and industry.
What if the next Robbie the Robot is wired with human feelings? What if an advanced cousin of R2D2 finds himself falling in love? How would kinder-gentler cyborgs express their emotions and affections? How would that situation, in turn, affect human relationships?
Microelectronics researchers at the University of Illinois have developed a low-loss, wide-bandwidth microelectromechanical systems (MEMS) switch that can be integrated with existing technologies for high-speed electronics.
Companies that develop and distribute browsers, multimedia players and other Web-based software have become more savvy in recent years when it comes to understanding the needs of people with disabilities.
A new crash analysis system is helping accident investigators shed more light on the main causal factor of aviation accidents: human error.
Alan M. Hallene learned the hard way how to combine business and engineering as he built the Montgomery Elevator Co. into the largest escalator manufacturer in North America.
A successful full-scale test of the carbon-injection process for removing mercury emissions from coal-fired power plants took place July 30-Aug. 12 at the University of Illinois Abbott Power Plant. The technology demonstration tested a commercial activated carbon and a corn-derived activated carbon developed by researchers at the Illinois State Geological Survey and the UI.
Pumping more energy into a beam of diagnostic ultrasound could produce a better image - and therefore a better diagnosis - but studies at the University of Illinois suggest the risk of ultrasound-induced lung damage is greater than many scientists previously believed.
Researchers at the University of Illinois have discovered a fundamentally new approach for tailoring the stability of colloidal suspensions.
Modern microchannel tube technology - widely used in the automotive industry for heat exchangers - offers an excellent opportunity to rethink the use of ammonia as a refrigerant, say scientists at the University of Illinois.
A smart ice-management system being developed at the University of Illinois would sense the effect of accreted ice on the performance and handling qualities of an aircraft, then alert the pilot, restrict the aircraft from potentially dangerous maneuvers, and adapt the flight control system to maintain safe operation.
Using a lithographic technique called microstamping, a University of Illinois scientist has produced patterned surfaces on glass substrates that integrate biocompatible materials and live nerve cells.
Researchers at the University of Illinois are developing transducers to improve the performance of ultrasound surgical beams used to treat both prostate cancer - the second leading cause of cancer death in American men - and the often painful but benign enlargement of the prostate.
The campus that produced Mosaic, the graphical browser that helped produce the explosive growth of the World Wide Web, now has a graphical solution for searching the Web's vast resources.
By recognizing both visual and audio cues, a self-aiming camera being developed at the University of Illinois can tell the difference between an airplane and an albatross.
With the advent of warmer weather, many outdoor enthusiasts are taking to the water in canoes and kayaks.
Some boaters, blocked in their travels by one of the myriad dams that dot the nation's waterways, may attempt to navigate the spillway - a dangerous practice that could result in death by drowning in the strong undertow that forms at the base of a dam. Scientists at the University of Illinois have a safer alternative: properly designed passageways called canoe chutes.
This year's anticipated launch of the Planetary Society's "Cosmos 1" spacecraft may usher in the long-awaited age of solar sailing. The performance of such spacecraft could be optimized with a simple control strategy developed by scientists at the University of Illinois.
Inspired by biological systems in which damage triggers an autonomic healing response, researchers at the University of Illinois have developed a synthetic material that can heal itself when cracked or broken.
Broken rails or damaged wheels can cause train accidents with potential loss of life, injury or property damage. Researchers at the University of Illinois are fabricating fiber-optic sensors that can improve train safety by detecting flaws in rails and wheels.
Fresh from the faucet, a killer may be lurking in your glass.
It's a principle of physics as well as economics: If rapid pressure builds in a confined space and has nowhere to go, there's going to be an explosion.
Small flaps mounted in jet-engine inlet ducts may allow supersonic aircraft to fly faster and farther at less cost, say researchers at the University of Illinois.
Researchers at the University of Illinois have fabricated silicon thin-film transistors -- critical components of numerous sensor and display technologies -- using soft lithographic block-printing techniques and polymer inks in place of photolithography. "
Archaeologists soon may be using sound waves to survey potential building sites for significant cultural artifacts, say researchers at the University of Illinois.
Illinois needs to expand its production of electricity to avoid the kind of price shocks that tripled electric bills in parts of California this summer, a University of Illinois energy expert says.
Scientists at the University of Illinois have fabricated ultrathin organic films that can be stacked together and "erased" by environmental stimuli. The erasable polymer multilayers could have applications in many diverse fields ranging from medicine to materials science.
A device for capturing and recovering dilute volatile organic compounds and other hazardous air pollutants has been developed by researchers at the University of Illinois.
The fictional birthplace of the world's first diabolical computer and the home of one of the world's top computer science programs is holding its first "Computer Fear Film Festival."
Fiber-reinforced composites are strong and lightweight, but suffer from hidden stresses that can warp the final product or degrade its performance.
By applying a mechanical bending stress to offset the effects of residual stress in a piezoelectric ceramic thin film, researchers at the University of Illinois have found a way to significantly enhance the film's performance.
University of Illinois engineers have designed numerical techniques that can help analyze MEMS devices and assist in the development of better computer simulation systems.
Contrary to what scientists have long thought, recent experiments at the University of Illinois have revealed that flexible polymers stuck to a solid surface crawl around in a very different way than they would in the bulk.
To better protect human health, the role of uncertainty must be considered in cleaning up contaminated groundwater sites, researchers at the University of Illinois say.
Researchers have come up with a way to use old tires and pistachio shells to remove mercury emissions from power plants.
Easy to design and inexpensive to build, pretensioned deck-beam bridges account for more than 7,200 bridges on Illinois highways and county roads. Two beams from such bridges have fallen apart, initiating a crash course in bridge inspection and repair.
As active materials become increasingly smaller for the next generation of smart materials systems, the need to understand and predict material response becomes critical. At the University of Illinois, an experimental investigation into how the properties and responses of smart materials -- such as piezoelectric ceramics -- change as a function of size has yielded a few surprises.
Precise measurements of film thickness at liquid-vapor interfaces are important in commercial applications such as power plants, oil refineries and refrigeration systems, but are often expensive and difficult to make. Now researchers at the University of Illinois have developed an automated optical film-thickness measurement technique that is both inexpensive and nonintrusive.
Crystals grown in space may be the next big step toward improved semiconductor materials for use in next-generation communication systems and advanced computers.
A novel fabrication technique developed at the University of Illinois could provide a reliable and robust method for assembling large arrays of three-dimensional microstructures.
In the modern making of steel, molten metal flows from a bathtub-shaped vessel -- called a tundish -- into a water-cooled, bottomless mold in a continuous casting operation. Clogging of the tundish nozzle can lead to hidden defects in the steel or costly halts in production. Researchers at the University of Illinois have developed a mathematical model that successfully predicts when clogs are about to occur, allowing time for remedial action.
Researchers at the University of Illinois have successfully tethered individual organic molecules at specific locations on silicon surfaces. The precise manipulation of molecules on the atomic scale is an important step in the potential merger of molecular electronics and silicon-based technology.
As the electric power industry becomes increasingly competitive, knowledge concerning the capacity and constraints of the electrical generation and distribution system will become a commodity of great value. Researchers at the University of Illinois are developing innovative methods for visualizing the wealth of data associated with the power system network, with an emphasis on the use of interactive animation techniques to aid decision makers.
Recent shock-tube experiments at the University of Illinois have shown that propellants containing fluorine can significantly enhance the combustion of energetic boron particles.
The environmental effects of man-made atmospheric particles, known as "aerosols," are of growing concern. Aerosols are now thought to significantly affect Earth's energy balance, throwing a wrinkle in climate-change forecasts. But accurate quantification of this effect will require combining remote techniques, such as satellite-based lidar, that can survey vast regions of the atmosphere, with local techniques that can provide detailed information on particle characteristics.