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- Computer Researchers Look Past Silicon
- The crystal ball is cloudy when it comes to the nature of future chips. Scientists are racing against the clock to develop a means of defeating an enemy that threatens to stop computer technology progress dead in its tracks. The threat is not terrorism; it is Moore's Law,...
- Research articles 2008-06-01
- Mystery gamma-ray source pinned to vampire stars
- PARIS AFP — An intriguing source of gamma rays linked to the high-energy collision of fundamental particles in the centre of our galaxy has been traced to vampire-like binary stars, a study says. The big smash comes from negatively-charged electrons colliding with their corresponding positively-charged "antiparticle," known as positrons....
- Research articles 2008-01-09
- "Trapped rainbow" could herald new dawn for computing
- PARIS AFP — Scientists in Britain said Wednesday they were able to slow and then stop a squirt of light in what they described as a key step towards the future of ultra-fast computing. The technique, called "trapped rainbow," would help optical data storage, with light replacing electrons to...
- Research articles 2007-11-14
- In science fiction,
- if matter meets antimatter, the result is mutual annihilation, and usually the end of the universe. Scientists at the University of California, writing in the journal Nature, recently managed to get an electron and a positron (an anti-electron) to stick together in a weird hybrid atom. It only lasted 60...
- Research articles 2007-10-01
- Carl Zeiss SMT Ships World's First ORION™ Helium Ion Microscope to U.S. National Institute of Standards and Technology
- PEABODY, Mass. -- Carl Zeiss SMT Inc., a leading global provider of electron- and ion-beam imaging and analysis equipment and solutions for nanotechnology applications, today announced that it has successfully shipped its first ORION([TM]) Helium ion microscope to the National Institute of Standards and Technology NIST in Gaithersburg, MD. The...
- Research articles 2007-07-17
- Tunneling Asymmetry Reveals Atom Alignment in High-Temperature Cuprate Superconductors
- Researchers at Cornell University have used a highly precise scanning tunneling microscope STM to learn why superconductivity-the conduction of'electricity with zero resistance-stalls in certain copper oxides known as cuprates. Pure cuprates, though normally insulators, become superconductors at temperatures as high as -1250C when doped with small numbers of other atoms....
- Research articles 2007-04-01
- Room-sized particle accelerator surfs the wave
- PARIS AFP — French physicists say they have developed a table-top-sized particle accelerator, a gadget that normally would need the equivalent of several large rooms. Jerome Faure and Victor Malka at the ENSTA/CNRS laboratory near Paris injected electrons into a plasma wave created by a single intense laser pulse. Their...
- Research articles 2006-12-06
- Celestial MUSYC: cosmic ABCs keep astronomers spellbound
- Acronyms are everywhere, alphabetically infecting daily life, IMHO in my humble opinion. So perhaps we astronomers can be forgiven for sliding down the slippery slope of cryptic capital letters: MHD magnetohydrodynamics, SETI search for extraterrestrial intelligence, LGM little green men. Overall, though, we're pretty good at keeping things unacronymed,...
- Research articles 2006-09-01
- Physicists shed light on superfluidity.(SUPERCONDUCTORS)
- For the first time, scientists have directly observed the transition of a gas to a superfluid, a form of matter closely related in its behaviour to superconductors. Observations of superfluids may help answer questions about high-temperature superconductivity. Superconductivity is a form of superfluidity,...
- Research articles 2006-09-01
- Magnetics Key to High-Temperature Superconductivity.(Report)
- Peter Singer, Editor-in-Chief Scientists working at the Commerce Department's National Institute of Standards and Technology NIST Center for Neutron Research (NCNR, Gaithersburg, Md.), in collaboration with physicists from the University of Tennessee (UT, Knoxville, Tenn.) and Oak Ridge National Laboratory...
- Research articles 2006-08-01
- NASA Imaging Technology Used to Fight Diabetes
- NASA image processing technology used to explore orbital images of Earth is being modified for use in diabetes research. A team from George Washington University (Washington, DC) and Cornell University (Ithaca, NY) modified the technology, which has increased the speed of the research. The team analyzed electron photomicrographs - images...
- Research articles 2006-08-01
- Scanning electron microscope reveals atomic-scale structures.(TESTING AND MEASUREMENT)
- Researchers at Cornell University, USA, have developed a technique that allows them, for the first time, to see the polarity, or physical alignment, of constituent atoms in crystalline molecules. Using the technique, called annular dark imaging, the researchers say they can better predict the...
- Research articles 2006-08-01
- Alpha-Voltaic Sources Using Liquid Ga as Conversion Medium
- These units would offer long life and high energy-conversion efficiency. NASA's Jet Propulsion Laboratory, Pasadena, California A family of proposed miniature sources of power would exploit the direct conversion of the kinetic energy of a particles into electricity. In addition to having long operational lives, these sources are...
- Research articles 2006-07-01
- Silicon nitride nanogaps for faster components.(NANOTECHNOLOGY)
- Researchers at the University of Pennsylvania, USA, have used electron beam lithography to create nanoscale electrical structures that work at high speeds. Professor Marija Drndic, a physicist in the university's Department of Physics and Astronomy, comments "For the first time, we have been...
- Research articles 2006-05-01
- Calibration of Electromigration Reliability of Flip-Chip Packages by Electrothermal Coupling Analysis
- Electromigration reliability of solder interconnects is dominated by current density and temperature inside the interconnects. For flip-chip packages, current densities around the regions where the traces connect a solder bump increase significantly due to the differences in feature sizes and electric resistivities between the solder bump and its adjacent traces....
- Research articles 2006-05-01
- Chameleon clothing lets you vanish into the background
- PARIS AFP — A chemist in the United States is reportedly working on "chameleon clothing" that at the touch of a switch would mimic the wearer's surroundings. Greg Sotzing, associate professor of the University of Connecticut at Storrs has invented threads of so-called electrochromic polymers that change colour in...
- Research articles 2006-04-05
- Magnetic overthrow: physicists expose a hidden facet of a familiar phenomenon
- While conducting experiments for his physics Ph.D. in the early 1990s, Dan Ralph suddenly found himself in unfamiliar terrain without a compass. Examining nanoscale sandwiches of magnetic and nonmagnetic materials in a Cornell University lab, Ralph discovered that voltages caused by electric currents passing perpendicularly through these layers would sometimes...
- Research articles 2006-01-07
- Spintronics-A retrospective and perspective
- Spintronics is a rapidly emerging field of science and technology that will most likely have a significant impact on the future of all aspects of electronics as we continue to move into the 21st century. Conventional electronics are based on the charge of the electron. Attempts to use the other...
- Research articles 2006-01-01
- OSU receives Titan tool.(MICROSCOPY)(Ohio State University installs world's highest-resolution, commercially-available scanning/transmission electron)(Brief Article)
- The Center for Accelerated Maturation of Materials CAMM at Ohio State Univ. OSU, Columbus, has become the first North American site to install and begin using FEI's, Hillsboro, Ore., Titan 80-300 S/TEM, the world's highest-resolution, commercially-available scanning/transmission electron (S/TEM) microscope. "CAMM embarked...
- Research articles 2005-12-01
- Science
- Scientists collect samples of air, water, soil, plants, and tissue to detect and monitor pollution. Pollutants are most often extracted from samples, then isolated by a technique called chromatography and analyzed by appropriate detection methods. Many pollutants are identified by their spectral fingerprints, unique patterns of absorbed or emitted radiation...
- Research articles 2005-10-25
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