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Defense & Security

Opto-electronic nose sniffs out toxic gases
A newly developed detector for toxic industrial chemicals is highly sensitive, simple, fast, and inexpensive, and it works by visualizing odors.
Top SPIE Newsroom articles from the previous month, and papers from SPIE Journals and Conference Proceedings.
4 February 2010
Model-based ‘opinions’ of data and their aggregates replace the probabilistic weights in a neural algorithm to improve accuracy and response times.
3 March 2010
A quantum-dot-based thin-film approach enables development of light, powerful, and flexible photovoltaic cells.
2 March 2010
A new approach to facial identification makes automated surveillance easier.
22 February 2010
Novel solid-state emitters and detectors exploit electronic-charge vibrations to improve the operating frequency of devices intended for safety and security applications.
15 February 2010
 
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