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R_Colin_Johnson
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posted in August 2007

33 items
New video service will offer science papers, demos
News & Analysis  
8/31/2007   Post a comment
A new video service called SciVee will offer authors of peer-reviewed papers the opportunity to hawk their discoveries with video demonstrations.
IBM measures single-atom memory, molecular switch
News & Analysis  
8/30/2007   Post a comment
IBM's Almaden Research Center has measured the ability to store a bit on a single atom, portending hard drives with ultra-high storage capacity.
MEMS, FRAMs qualified
News & Analysis  
8/30/2007   Post a comment
Microelectromechanical system oscillators and ferroelectric random access memory have been qualified for high-reliability and extended-temperature-range applications, respectively.
Software confirms human-to-human spread of avian flu
News & Analysis  
8/29/2007   Post a comment
The avian flu has been confirmed by TranStat software to have been passed from human to human, a necessary condition for pandemics.
Ball lightning's frightening . . . but finally explained
News & Analysis  
8/29/2007   Post a comment
A Ukrainian researcher explains that ball lightning consists of an aerosol of nanoscale batteries--formed from a reductant, an oxidizer and an electrolyte--that short-circuit by surface discharge to spontaneously generate mega-amperes of current.
Rochester, N.Y., bids to be first green U.S. city
News & Analysis  
8/28/2007   Post a comment
The United States' first Hydrogen Village--designed to demonstrate the feasibility of switching from fossil fuels to cleaner-burning hydrogen--has broken ground in Rochester, N.Y.
NASA confirms Einstein
News & Analysis  
8/28/2007   Post a comment
NASA astronomers have found a new way to perform fundamental physics research on ultra-dense objects like black holes, yielding the latest confirmation of Einstein's theory of relativity.
Metal oxide nanotubes: lower-cost alternative to carbon?
News & Analysis  
8/27/2007   Post a comment
Nanotubes historically have been synonymous with organic carbon nanotubes, but no more. Metal oxide nanotubes created at Georgia Institute of Technology are cheaper and easier to fabricate than carbon nanotubes for future nanoscale electronic devices.
IBM's Cell BE-based cluster to aid U. of Maryland research
News & Analysis  
8/24/2007   Post a comment
IBM Corp. said it will endow the University of Maryland's Baltimore County campus with the components for one of the most powerful cluster supercomputers in the world.
Rocket propels prosthetic arm
News & Analysis  
8/23/2007   Post a comment
A rocket-powered bionic arm with articulated hand and fingers is 10 times more powerful than battery- and electric-motor-powered prosthetics.
Intel demos 40-Gbit/s silicon laser
Product News  
8/22/2007   1 comment
40-Gbit per second silicon laser chip portends cheaper optical communications for telecommunications and on-chip processor-to-processor links on multi-core chips.
New U.S. institute eyes next generation of nano engineers
News & Analysis  
8/21/2007   Post a comment
The National Institute for Nano-Engineering (Nine) promises to engage college and university students in nanotechnology projects as a way to reinvigorate the United States' global standing in engineering and science.
NIST: Fine-tuning can improve hard-disk heads, MRAMs
News & Analysis  
8/21/2007   Post a comment
National Institute of Standards and Technology improves the magnetic tunnel junction used in hard-disk heads and MRAMs by fine-tuning the resistance of insulating buffer layers.
Update: IBM teams with TDK on MRAM
News & Analysis  
8/20/2007   Post a comment
IBM commits to four-year R&D program with TDK to achieve a 20-fold increase density of magnetic random access memory.
IBM, TDK eye 20x density boost for magnetic RAM
News & Analysis  
8/20/2007   Post a comment
IBM Corp. today will kick off a joint R&D project with TDK Corp. to create high-density magnetic RAMs.
Answer to overheated chips could be blowin' in the (ionic) wind
News & Analysis  
8/20/2007   Post a comment
Just as ionic rain can irrigate a forest of nanotubes, ionic winds can cool the surface of chips.
Battery is paper-thin, rechargeable, say researchers
Product News  
8/20/2007   Post a comment
Rensselaer Polytechnic Institute researchers said they have developed a paper-thin battery by immersing a carpet of vertical nanotubes in an ionic liquid electrolyte.
Q-bits put new spin on quantum computing
News & Analysis  
8/17/2007   Post a comment
Quantum dots in gallium arsenide can now encode quantum states, called q-bits, onto individual electrons, thereby enabling ultra-low power quantum computers.
Cognitive Science Initiative encapsulates expertise
News & Analysis  
8/16/2007   Post a comment
Sandia National Laboratories is using pattern-based artificial intelligence to encapsulate the expertise of soldiers for faster and better training, as well as to model threats an predict their behaviors.
Ionic winds can cool chips
News & Analysis  
8/15/2007   Post a comment
Ionic winds can be harnessed for a 250 percent increase in the heat-transfer coefficient to cool integrated circuits.
Paper battery is rechargable
Product News  
8/14/2007   1 comment
Rensselaer Polytechnic Institute researchers said they have developed a paper-thin battery that uses nanotubes to store electrical energy.
Ten-minute cancer screening possible
News & Analysis  
8/13/2007   Post a comment
Lab-on-a-chip, created at the University of Texas under contract to the National Institutes of Health (NIH), uses microfluidic electronics to reduce test time to 9 minutes, down from overnight for traditional flow cytometry cancer screening tests.
New York bridge to get wireless monitor
News & Analysis  
8/13/2007   Post a comment
Monitoring the structural integrity of New York State bridges could become a model for wireless sensor networks nationwide.
Self-assembly extends to 10 nm
News & Analysis  
8/13/2007   Post a comment
University of Alberta (Canada) researchers have demonstrated a way to extend design features below the 10-nanometer node--off the scale of the current International Technology Roadmap for Semiconductors (ITRS).
Sensor nets bridge safety gap
News & Analysis  
8/13/2007   Post a comment
Engineers in laboratories nationwide are perfecting embedded sensor networks that could alert crews to defects in critical structures well before the problems cause catastrophic failures such as the recent collapse of Minneapolis' I-35W bridge.
Magnetic domains switched from 'hard' to erasable
News & Analysis  
8/13/2007   Post a comment
Perpendicular magnetic recordings can now be switched from hard (permanent) to soft (erasable) by way of a discovery recently made at the University College London. Using a designer material with strong anisotropy, the researchers demon- strated how to switch magnetic domains from permanent to erasable by applying a longitudinal magnetic field to modulate the domain walls' strength.
Aiming at terabit disk media
Product News  
8/13/2007   Post a comment
Fujitsu Laboratories Ltd. proposes that to double storage density that researchers add nanoscale patterns to preformat the location of bit cells in perpendicular media.
Self-assembly extends to 10 nanometers
News & Analysis  
8/7/2007   Post a comment
Copolymers insert nanometer-sized individual wires into micron-sized lithographically defined data buses, illustrating how to extend lithography below the 10-nm node on the International Technology Roadmap for Semiconductors (ITRS).
Switching perpendicular recordings can strengthen domain walls
News & Analysis  
8/6/2007   Post a comment
Perpendicular magnetic recordings can now be switched from hard (permanent) to soft (erasable) by applying a longitudinal magnetic field to modulate the domain walls' strength.
MEMS launches software-defined radios in space
News & Analysis  
8/6/2007   Post a comment
The National Aeronautics and Space Administration has begun a program to develop MEMS technologies that reduce the size, weight and power of its radio transceivers.
Can technology help avert bridge collapses?
News & Analysis  
8/3/2007   Post a comment
One company, Materials Technologies Inc., claims to have a sensor technology, an electro-chemical fatigue sensor, that can diagnose whether crack repairs in bridges have been effective or not.
Consortium claims solar-cell efficiency record
News & Analysis  
8/2/2007   Post a comment
What's claimed to be the world's highest efficiency solar cell--42.8 percent, compared with 15 percent for conventional solar cells--was reported by a consortium including the University of Delaware and E.I. du Pont de Nemours and Company.
Organic solar cells gain ground
News & Analysis  
8/1/2007   1 comment
Newly developed composite material for dye-sensitized solar cells combines nanoparticles for high surface area with nanowires for high electron mobility.


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