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R_Colin_Johnson
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posted in April 1999

7 items
Quantum dots are used to build logic gates
News & Analysis  
4/28/1999   Post a comment
In a step toward developing quantum computers, researchers at Notre Dame University have demonstrated logic gates that use quantum-dot cellular automata (QCA), and which switched using only two electrons. Future versions of the QCA promise to squeeze 1 trillion gates into a scant 1-cm square.
Speech-recognition code released to developers
News & Analysis  
4/27/1999   Post a comment
Nuance Communications is releasing its natural-language speech-recognition source code and some development tools to help developers get speech-recognition applications up and running quickly, according to John Shea, product marketing manager for Nuance.
'Einselection' attempts to explain micro/macro worlds
News & Analysis  
4/19/1999   Post a comment
The behavior of elementary particles in the quantum realm is markedly different from particles in the large-scale aggregate world because of a phenomenon called "einselection".
Group eyes standards for voice-activated handhelds
News & Analysis  
4/15/1999   Post a comment
A new group announced at the DemoMobile 99 conference that it is attempting to establish standards for voice-activated handheld devices.
Sandia puts GaAs sensors onto 'lab-on-a-chip'
News & Analysis  
4/13/1999   Post a comment
The world's first micrometer-sized acoustic-wave sensors have been successfully integrated onto the Sandia Microelectronics Development Laboratory's "lab-on-a-chip." The handheld chemical-identification system is scheduled to be completed in the fourth quarter.
Development environment simplifies image recognition
News & Analysis  
4/12/1999   Post a comment
In an attempt to offer machine-vision developers a high-level software-development environment, BrainTech Inc. is beta testing a new "wrapper" application called Odysee Development Studio. Slated for introduction in June, the system acts as a container for intelligent machine-vision algorithms, simplifying their development and standardizing their extension to new application areas.
Computer program recognizes facial expressions
News & Analysis  
4/5/1999   Post a comment
The Salk Institute for Biological Studies has mimicked the neural networks of the visual cortex to create a facial-expression recognition system that is said to be faster and more accurate than a human expert. The computer program compares video images with stored templates of prototypical expressions, such as "sad" or "angry."


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