Is there an asteroid in your future? Video

Video description: NASA's Edward Lu explains how a "gravity tractor" could save Earth from an asteroid at the AAAS annual meeting in San Francisco. Michael Kanellos of CNET News.com reports.

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Earth Day 2006: What's the tech?

From corporate innovation to personal action, there's plenty of chance to be green in the world of tech. Harry Fuller talks with CNET News.com cutting-edge reporter Michael Kanellos, Wayne Cunningham of CNET's Car Tech and CNET's Elsa Wenzel, who tracks ecological issues from energy to recycling, about what you can be optimistic about this Earth Day.

Sights and sounds of Michael Kanellos

CNET News.com reporter Michael Kanellos is saying goodbye, but before he goes, take a look of some of the Kanellos moments we have collected over the years.

Panasonic's house of the future

The Eco & UD model home, a prototype green home built by Panasonic, was on display in Japan where CNET News.com's Michael Kanellos took a tour of its many features last fall. Could we see homes built by Panasonic in the U.S. sometime in the future?

Would you use a fireplace with no chimney?

EcoSmart Fire specializes in modern, environmentally friendly fireplaces. CNET News.com's Michael Kanellos took a look at one at the West Coast Green conference in San Francisco in September.

Exercise equipment with Intel inside

CNET News.com's Michael Kanellos speaks with a representative from the company's digital home group about the Expresso Spark, an exercise bicycle equipped with Intel's Viiv platform. The interview took place at the Intel Developer Forum in San Francisco.

Race cyclists around the world from your garage

The Ergo Bike Premium 8i from Germany's Daum Electronics is not your standard exercise bike. It comes equipped with an Internet-ready computer that can be hooked up to a laptop, making it possible to compete with other racers from around the world. CNET News.com's Michael Kanellos gives it a test ride at City Cycle in San Francisco.

From Japan: Next year's gadgets

Toshiba, Panasonic, Hitachi and others gathered earlier this month at the Ceatec trade show in Japan to show off their new and future TVs,\r\nMP3s players, phones and household robots. Think of it as a preview of the Consumer Electronics Show. CNET News.com's Michael Kanellos brings\r\nback this report from the floor of the Makuhari Messe outside of Tokyo.

Gibson's self-tuning guitar

CNET News.com's Michael Kanellos takes a look at a guitar that can tune itself, saving time and making it possible for musicians to carry only one guitar instead of several. After selecting a key, a computer embedded in the back of the guitar takes over from there and automatically tunes the strings.

And the winner is?\r\n

CNET News.com's Michael Kanellos spoke with Intel's senior vice president and general manager of the sales and marketing group, Anand Chandrasekher. They discussed the future of home networks and Kanellos asked about what kind of device would dominate in the home.\r\n

Hydrogen cars--the hybrids of the future?

Could hydrogen cars become the next popular hybrid vehicle? CNET News.com's Michael Kanellos breaks down how they function and what obstacles manufacturers face as they become more of a reality for the marketplace.