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Cellphones

Burning Man Goes Open Source For Cell Phones 152

coondoggie passes along this excerpt from Network World: "Today I bring you a story that has it all: a solar-powered, low-cost, open source cellular network that's revolutionizing coverage in underprivileged and off-grid spots. It uses VoIP yet works with existing cell phones. It has pedigreed founders. Best of all, it is part of the sex, drugs and art collectively known as Burning Man. ... The technology starts with the 'they-said-it-couldn't-be-done' open source software, OpenBTS. OpenBTS is built on Linux and distributed via the AGPLv3 license. When used with a software-defined radio such as the Universal Software Radio Peripheral (USRP), it presents a GSM air interface ("Um") to any standard GSM cell phone, with no modification whatsoever required of the phone. It uses open source Asterisk VoIP software as the PBX to connect calls, though it can be used with other soft switches, too. ... This is the third year its founders have decided to trial-by-fire the system by offering free cell phone service to the 50,000-ish attendees at Burning Man, which begins today in Black Rock City, Nevada. "
Education

Followup To "When Teachers Are Obstacles To Linux" 626

An couple of anonymous readers wrote in to let us know about a followup to last Wednesday's story of the teacher who didn't believe in free software. The Linux advocate who posted the original piece has cooled off and graciously apologized for going off half-cocked (even though the teacher had done the same), and provided a little more background which, while not excusing the teacher's ignorance, does make her actions somewhat more understandable. Ken Starks has talked with the teacher, who has received a crash education in technology over the last few days — Starks is installing Linux on her computer tomorrow. He retracts his insinuations about Microsoft money and the NEA. All in all he demonstrates what a little honest communication can do, a lesson that all of us who advocate for free software can take to heart. "The student did get his Linux disks back after the class. The lad was being disruptive, but that wasn't mentioned. Neither was the obvious fact that when she saw a gaggle of giggling 8th grade boys gathered around a laptop, the last thing she expected to see on that screen was a spinning cube. She didn't know what was on those disks he was handing out. It could have been porn, viral .exe's...any number of things for all she knew. When she heard that an adult had given him some of the disks to hand out, her spidey-senses started tingling. Coupled with the fact that she truly was ignorant of honest-to-goodness free software, and you have some fairly impressive conclusion-jumping. In a couple of ways, I am guilty of it too."
Power

Submission + - Australia to phase out incandescent light bulbs

rblancarte writes: Citing a reduction in greenhouse gases, the Australian government on Tuesday announced plans to phase out incandescent light bulbs and replace them with more energy-efficient compact fluorescent bulbs across the country. 'Federal Government figures suggest energy used for household lighting in Australia contributes up to 12 per cent of coal-energy greenhouse gas emissions and around 25 per cent of emissions from commercial and public lighting.' While a small percentage in Australia's goal in greenhouse gas reduction, it is one of the first major steps taken to reduce greenhouse gases by any national government. The incandescent bulb is a 125 year-old technology with few changes made in the last century.

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