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Submission + - Travelers' body heat to warm Swedish office block

paulraps writes: The heat from hundreds of thousands of hot and bothered people passing through Stockholm's Central Station each day is to be harnessed to warm a nearby office building. According to the man behind the project, Karl Sundholm, the 250,000 daily travelers will help bring down the office's heating bill by 20 percent. And if trains are delayed, no doubt that figure will rise.

Submission + - LinuxWorld: Open Source, Closed Doors 2

dualscan337 writes: As a long time linux user and enthusiast I thought it was finally time to take the plunge and attend the LinuxWorld Conference next week out in San Francisco. I registered online to get the free Exhibit Hall Pass but this morning I received this email:

"Thank you for your interest LinuxWorld Conference & Expo San
Francisco, August 6-9, 2007.

Unfortunately, as a business-to-business event targeted
exclusively toward enterprise IT professionals, official show
policy prohibits students, and anyone under the age of 18, from
attending this event. Therefore, we must inform you that your
registration to attend LinuxWorld Conference & Expo is not valid
and you will not be permitted on the showfloor."

I'm a graduate student in the physical sciences and I realize that this is a business oriented event.. but what is to gain by maintaining this sort of closed door policy toward students? Let's not forget that a lot of code is contributed by the people they're not allowing inside the door. I have always felt that the power of open source was in the fact that anyone could participate/contribute. I feel that a conference whose slogan is "Open Source Rules — Find out why" and doesn't let me in because I'm a student misrepresents what Linux and Open Source is all about. What does slashdot think? Should I have planned on going to DefCon instead?

16.5 feet in the Twilight Zone = 1 Rod Serling