By RYAN KIM, San Francisco Chronicle

Could a computer learn to smell?

Computers have had a tough time learning what the nose knows.Engineers have been successful in creating sensors that detect specific smells. But when it comes to replicating the entire discriminating ability of a nose -- well, that's nothing to sniff at.But a Palo Alto, Calif. entrepreneur believes it can be done.

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Making a familiar franchise into unique game

SAN FRANCISCO -- With the cost of video-game development rocketing past $20 million for top-end titles, the industry has moved closer to franchises and recognizable content from other media. But the challenge is: How do you make a familiar game exciting enough that people view it as a totally new venture?

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New interfaces for games use brain waves

The breakaway success of Nintendo's Wii and games like Guitar Hero has game developers exploring new interfaces and inputs that incorporate full body motion, balance -- and even thoughts.

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The wave of the future employs a wave of the hand

In the movie "Minority Report," Tom Cruise's character manipulates virtual documents and zooms through images with a flurry of hand gestures and motions. The movie is set in 2054.

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Cisco showcasing its consumer side

For much of its history, Cisco Systems has been the quiet force behind many of the consumer electronics we enjoy.

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