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R_Colin_Johnson
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posted in March 2004

14 items
Nano work chases self-cooled chips
News & Analysis  
3/30/2004   Post a comment
Future chips may be self-ventilating, thanks to added microfluidic-like layers that pump heat-laden air off-chip using a classic "corona wind" effect.
Where microwaves meet infrared is the final
News & Analysis  
3/29/2004   Post a comment
With all the advances in solid-state communications — from long-wavelength, very low-frequency radio waves that talk to submerged submarines, to short-wavelength, very high-frequency light waves that communicate with lasers — you would think the whole electromagnetic spectrum was covered. You'd be wrong.
Dj vu technology
News & Analysis  
3/29/2004   Post a comment
Terahertz research gains momentum
News & Analysis  
3/29/2004   Post a comment
Already the first crude images from terahertz image chips have proven that Superman-style "X-ray vision" may soon be commonplace. Last year the European Space Agency's StarTiger R&D team showed a 16-pixel device that they claim produced the world's first terahertz picture of a human hand.
Prototype anti-terror sensor net being tested in Tennessee
News & Analysis  
3/22/2004   Post a comment
SensorNet, a first-alert anti-terrorist network, is being tested in Tennessee before it's delivered to Homeland Security for use nationwide.
SiGe process tapped for 'X-ray vision'
News & Analysis  
3/16/2004   Post a comment
Russian and U.S. academics are collaborating to develop terahertz silicon germanium chips for "X-ray vision" systems that could peer through suitcases and clothing to identify weapons, through clouds to guide aircraft and through skin to pinpoint cancer.
Metamaterial shows magnetic response in THz gap
News & Analysis  
3/15/2004   Post a comment
Metamaterial experts bridged the terahertz gap recently by demonstrating a magnetic sensor based on split-ring resonators.
Nanowires vie with carbon tubes for next-gen transistors
News & Analysis  
3/11/2004   Post a comment
With so many stories heralding the merits of carbon nanotubes as the channels of next-generation nanoscale transistors, you'd think the case was closed. Not so, say researchers here who claim nanowires can create better nanoscale transistors — ones that can be placed more accurately, can use application-specific doping and can be more easily integrated with traditional silicon processing.

Sonar renders ocean floor transparent
News & Analysis  
3/8/2004   Post a comment
A breakthrough in sonar technology may soon make it possible to more accurately detect and map underwater artifacts, such as mines, even when they are buried.
Nanowires vie with carbon tubes for next-gen transistors
News & Analysis  
3/8/2004   Post a comment
With so many stories heralding the merits of carbon nanotubes as the channels of next-generation nanoscale transistors, you'd think the case was closed.
Metamaterial plumbs terahertz region
News & Analysis  
3/5/2004   Post a comment
Metamaterial experts have bridged the terahertz-gap by demonstrating a magnetic sensor based on split-ring resonators.
Sonar advance could improve underwater detection
News & Analysis  
3/4/2004   Post a comment
An advance in sonar technology may soon enable standard sonar equipment to more accurately detect and map underwater artifacts such as mines, even when they are buried.
Spin-valve demo rolls
News & Analysis  
3/1/2004   Post a comment
A research technique for making organic spin-valve electronics could herald the coming of nonvolatile semiconductors melded with optical emitters, transducers and sensors.
Novel ink-jet app: organ replication
News & Analysis  
3/1/2004   Post a comment
Researchers recently demonstrated a process that one day may enable ink-jet printed human organs to be formed using cells donated by the person receiving the organ, to ensure biocompatibility.


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