January 12/19, 2005   

   Video organizes paper
Given that most offices are likely to generate plenty of paper documents for the foreseeable future, researchers are devising ways to use computers to track and organize printed materials. A computer vision system that doesn't require documents to sport special tags or marks holds promise.
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Conversations control computers
Workplaces are filled with brief conversations about scheduling and assignments that require people to make notes and mark calendars. Speech recognition software that captures appropriate snippets of these conversations makes it possible to use one set of utterances to converse and to control a handheld computer. A set of prototype applications helps automate the mundane aspects of working with other people.

DNA scheme builds computers
Researchers have made computers from test tubes of DNA. DNA has also been used to assemble basic electronic circuitry. A combination of the techniques paves the way for automatic assembly of computers. A pair of parallel processing architectures illustrates the possibilities.

The History Files
A Short History of the Computer

Copy-and-paste goes natural... RNA tiles form nanopatterns... Input device tracks muscle tremors... Nano gas turbine designed... Ultrasound makes blood stand out... Silicon surfaces speed circuits... Branchy molecules make precise pores.

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