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Current Friction News and Events, Friction News Articles.
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Physics tip sheet #3 - March 6, 2002
Highlights of this issue include the microscopic cause of friction, ping-pong polymers, matter-wave interferometry and fermionization of cold bosons. Also included are reports on the stability of sand dunes, stripy superconductors and one-way heat flow. (2002-03-06)

Built in brakes for skis and snowboards
Help is at hand for newcomers to skiing and snowboarding as they hurtle uncontrollably down the slopes. A built-in electronic braking system is being developed by engineers in the US, to slow the ski or board down before things get too scary. (2002-02-06)

New four-in-one tribological probe microscope measures friction, hardness, elasticity, and shape to levels less than a nanometre
Manufacturers of high tech materials and coatings need to understand what is going on at the surface of their products down to the nanometre level. It is possible to get individual measurements of friction, hardness, elasticity, and surface shape but until now it has not been easy to get all four measurements and exactly correlate those measurements. Now a researcher at the University of Warwick has designed a device solving problem. (2001-11-05)

Discovery of extra energy escaping from supermassive black hole a first, say scientists
For the first time ever, astrophysicists have observed extra energy escaping from the supermassive black hole at the center of a distant galaxy. (2001-10-22)

Slick research says fluids slip on solids, depending on speed
When it comes to predicting boundary conditions of fluids flowing over solid surfaces, the textbooks are all wet, say researchers at the University of Illinois. (2001-08-30)

Seismic doubleheader: Seismologist shows deep earthquakes come in pairs
Seismologists now know that deep earthquakes like to do just like baseball immortal Ernie Banks liked to : (2001-08-23)

Plasma treatment solves sticky problem for plastic car components
Replacing metal car parts, such as bumpers, with plastic gives automotive manufacturers significant benefits in fuel economy, reduced manufacturing costs, and increased opportunities for recycling, but getting such components to from a strong adhesive bond to the frame of a vehicle has been a major challenge. Now a collaborative research team led by the University of Warwick's Warwick Manufacturing Group have found a simple plasma pre treatment process that solves that problem. (2001-07-05)

Family stress a factor in asthma
A new study, believed to be the first of its kind, has established an important link between the quality of life of children with asthma and the level of stress in their family environment. (2001-07-02)

Scientific explanation for success of klapskate
As part of a project funded by the NWO's Netherlands Technology Foundation (STW), researchers at Amsterdam Vrije Universiteit (VU) have demonstrated why the so-called klapskate produces better speedskating performance. The klapskate is constructed in such a way that the shoe part can hinge up away from the blade to free the heel. (2001-05-07)

New materials could mean longer lasting artificial hips
New materials that are more (2001-04-04)

Researchers pioneer techniques to lubricate microdevices
Motor oil keeps car engines running smoothly, but what will grease tiny motors for high-tech microdevices of the future? Researchers may have the answer. Previously, scientists couldn't measure the friction within miniature motors, pumps, and gears -- mechanisms that could one day move inside microscopic medical implants in the body. (2001-03-26)

HRT prevents osteoarthritis
Long term use of hormone replacement therapy (HRT) seems to protect women from osteoarthritis of the knee, by preserving the volume of cartilage in the joint. (2001-03-12)

New non-stick? Many uses possible from "squeezed" molecules
Chemical engineers have found a way to group molecules so tightly that they form a slick surface useful for a multitude of medical, technical and industrial applications. The research, supported by the National Science Foundation (NSF), is reported in the December 15 issue of Science. (2000-12-13)

NASA engineer develops revolutionary tool to overcome hurdle for welding process
A specialized welding tool, developed by a NASA engineer, is overcoming a (2000-08-05)

UC Berkeley physicists create tiny bearings and springs out of carbon nanotubes for use in microscopic machines
UC Berkeley physicists have peeled the tips off carbon nanotubes to make seemingly frictionless bearings so small that some 10,000 would stretch across the diameter of a human hair. The bearings, which also act as nanosprings, could prove useful in MEMS devices or micromachines as well as nanomachines. (2000-07-26)

K-State researchers shake things up for earthquakes
Kansas State University researchers are working to build safer structures to save lives and limit damage caused by earthquakes like the one in Turkey. (2000-07-10)

UC Berkeley study shows gecko foot hairs are amazing dry adhesives
Geckos scurry up walls thanks to two million microscopic hairs on their toes that glom onto surfaces so closely that intermolecular forces take over. The finding by a team of biologists and engineers from UC Berkeley, Lewis and Clark College and Stanford may lead to a novel synthetic dry adhesive. (2000-06-06)

Flying trains
Flying trains could save on energy and cut pollution say Japanese engineers who have just tested out a research model. The Aerotrain has two pairs of wings and can maintain forward momentum from a (2000-03-07)

Realistic robots wriggle off the drawing board
An animator in California has built the most lifelike robotic snakes ever created, reproducing both the slithering and sidewinding motions used by the reptiles. The technology could be used to create robots capable of handling the toughest of terrain-even other planets. (1999-11-30)

Materials World - December 1999 issue
3D Sound Systems Using Groundbreaking Piezoelectric Springs; Stirring Stuff From Friction Welding; A Helping Hand For Materials Testing; Hard-Wearing Iron-Base Alloy Is Soft On The Pocket; Looking Into The Sole - Testing Shoe Materials; Shaping The Body From Memory. (1999-11-29)

Pedal power: Bicycles waste little energy
When it comes to efficient use of energy, it's tough to beat a bike, Johns Hopkins engineers have learned. (1999-08-19)

The Tour de France--In terms of jelly donuts
What activity expends the most calories (in terms of jelly donuts)every day for a Tour de France competitor (and everyone else)? The answer may surprise you. (1999-07-22)

Scientists identify molecular source of friction
Exactly 300 years after Guillaume Amontons produced the classic laws of friction, physicists have explained why Amontons' equations explain static friction so precisely. (1999-06-03)

Surprise: Study Shows Carbon Nanotubes Require More Energy To Roll Than To Slide
CHAPEL HILL - Surprisingly, carbon tubes --so thin it would take several million lying side by side to cover an inch-- require considerably more energy to roll across some surfaces than they do to slide across the same surfaces, according to a new University of North Carolina at Chapel Hill study. (1999-01-20)

Blood Is Less Sticky With Estrogen Replacement Therapy
By helping keep their blood less sticky, or viscous, hormone replacement therapy (HRT) may help women lower their risk of heart disease. Studies have suggested plasma viscosity to be as important a predictor of heart disease risk as smoking, diabetes, cholesterol or blood pressure, but this is the first study to evaluate the influence of HRT on plasma viscosity. (1998-12-10)

Tribology And Materials: Challenges For Materials In Automotive Engineering
Friction, lubrication and wear in vehicle design and engineering will be discussed at a conference to be held at MECC, Maastricht, Netherlands on 20-22 April 1999. (1998-09-14)

'Frustrated' Lubricant Molecules Offer New Strategy For Reducing Friction In Mechanical Devices
For decades, researchers have struggled to reduce friction in mechanical systems by improving the chemical composition of the lubricants used to separate moving parts. Now, an atomic- scale study of thin-film lubricants, reported in the Journal of Physical Chemistry, suggests a promising new strategy. (1998-07-09)

DFG-Supported Research Unit Takes A Close Look At Soil
In the newly established research unit (1998-06-03)

Soil Mechanics Experiment Yields Unique Results
A soil mechanics experiment flown twice on the Space Shuttle is yielding new, unique data about the internal fabric of soil and powders under very low confining pressures, which can occur in soil during earthquakes, for example. Preliminary results from the Mechanics of Granular Materials (MGM) experiment were presented Tuesday at the American Geophysical Union's annual spring meeting in Boston. (1998-05-27)

New Technique Creates Durable Audio And Video Tapes, Data Disks
Researchers can now extend the life of magnetic audio and video tapes and data storage disks. This may help to solve a problem facing manufacturers: Creating surfaces on magnetic tapes and disks that are hard enough to resist wear, but flexible enough to survive contact with devices that use them. (1998-05-25)

To Prevent Ice Buildup, Charge It
A Dartmouth physicist who has taken a molecular approach to the problem of icing has discovered that applying a small electric voltage across an ice-metal interface can break the bond between ice and metal surfaces. (1998-03-30)

Engineers Build Window Onto Formation Of Atomic Layers
Materials science engineers have built an instrument to help them observe the process of sputtering---a method of (1998-02-24)

Internet Likely To Spur Price Wars, Study Shows
BALTIMORE, January 14 - The Internet and electronic marketplaces can hurt businesses by stiffly increasing price competition, according to a study published this month in a journal of the Institute for Operations Research and the Management Sciences (INFORMS). Price wars among sellers, however, will benefit electronic buyers by reducing costs. (1998-01-14)

New Material Shows Superior Lubricating Properties
A material discovered at the Weizmann Institute of Science has shown superior properties as a machine lubricant, as reported in the June 19 issue of Nature. When compared with the best existing lubricants, it reduced friction to less than half and cut wear on parts by up to six times. Using the new material would significantly increase the lifespan and efficiency of machinery. (1997-06-18)

New Laser-Based Process Significantly Reduces Friction
A laser-based process applied to interfacing metallic or ceramic surfaces has been found to reduce friction by as much as twenty percent. The surface-engineering process, developed at the Technion-Israel Institute of Technology, involves the creation oftiny holes or pores on the touching surfaces of metal or ceramic components. The new process saves on material wear and allows the option of using less costly materials. (1997-06-04)

In The Air And On The Ground: Scientists Seek Clues To Better Weather Forecasting
Low-flying planes and an array of new surface gauges in the Walnut River watershed east of Wichita, Kansas, are gathering data from the lowest few thousand feet of the atmosphere to improve weather forecasting. Scientists from the National Center for Atmospheric Research and the University of Colorado coordinate the experiment (1997-05-13)

Discovery About Lubricants Could Lead To Less Machinery Wear
Scientists long have known that surface roughness plays a major role in the wear and tear of moving parts. Now, researchers at the University of Illinois have found that randomness, not roughness, is a major contributor to friction at the molecular level (1996-12-06)

World's Most Studied Glacier Surges Again
The world's most studied glacier surged recently at least four years ahead of when scientists were expecting it to. Geophysical Institute Professor Will Harrison has studied the Variegated Glacier for nearly 25 years. His research has contributed to thescientists' understanding of surging glaciers (1996-10-10)

Ceramic Lubricants, Ashless Fuel Additives Developed At Virginia Tech
A Virginia Tech researcher's work on a new concept in lubrication based on the concept of tribopolymerization (patent # 5,407,601 April 18, 1995) has resulted in several compounds that promise to save billions of dollars in fuel, and that have now been licensed for further development (1996-08-14)

Tides Recorded The Moon's Retreat From Earth, Shorter Earth Days
Layers of sediment deposited by tides show that 900 million years ago, a day on Earth was 18 hours long. The moon has been moving away from Earth at a constant rate, according to the same evidence. University of Arizona planetary scientists and collaborating geologists publish their analysis today (July 5) in Science (1996-07-05)

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