Active Response

siliconbits writes "Google has finally added voice support to its popular Gmail email service which means that users will soon be able to call landlines and mobiles worldwide for free or for extremely low prices. The announcement was made at a press conference in San Francisco in front of a few selected press members."

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Not to be outdone by the Chinese and their deodorant guns, Middlesex County, New Jersey has unveiled their secret weapon against landfill stink, a perfume spraying truck. The flatbed truck equipped with special nozzles now drives around the 200-plus acre landfill spraying hundreds of gallons of a soapy, slightly citrus-scented liquid. From the article: "'It has a pleasant, showery smell,' said Richard Fitamant, executive director of the Middlesex County Utilities Authority, which runs the landfill. 'It's not offensive and it's not overpowering. It's a light scent.' Faced with a competing mandate to handle the loads of trash while curbing the stench, officials have turned to the roving, over-sized air freshener to control the smells wafting from the 200-plus acre landfill."

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jnaujok writes "The Ninth Circuit court has declared that attaching a GPS tracker to your car, as it sits in your driveway, or by extension on a public street, and then using it to monitor every one of your movements, is totally legal, and can be performed by the police without needing a warrant. So, if you live in the Western United States, big brother has arrived."

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adeelarshad82 writes "According to a recently released video, Google is currently testing an 'instant search' feature that changes search results as you type. The feature was first spotted over the weekend. At the moment Instant Search seems to be implemented on very few accounts. A Google spokesman could not confirm or deny the accuracy of the video saying that at any given moment Google is running 50 to 200 experiments."

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An anonymous reader writes "The Chicago Tribune is reporting that Facebook has sued a tiny start-up called Teachbook.com over the use of 'book' in its name. The start-up, which has two employees, aims to provide tools for teachers to manage their classrooms and share lesson plans and other resources. 'Effectively they're bombing a mosquito here, and we're not sure why they want to do that,' Teachbook.com co-director Greg Shrader told the Tribune. Facebook said its use of 'book' in its name is 'highly distinctive in the context of online communities and networking websites.' Facebook apparently is alleging that no other online 'network of people' can use the word 'book' in its name without violating its trademark."

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jamie writes "A new site called Digg In The Future - created by 17-year-old high-school student Raj Vir as a research project - says that its algorithm can predict with 63-percent accuracy what shared links are going to make it to the front page of the Digg website. (Does it allow for brigades?)"

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Tired of looking at an endless parade of dioramas, an Australian teacher had her class plan a terrorist attack that would "kill as many innocent Australians as possible." "The teacher, with every best intention, was attempting to have the students think through someone else's eyes about conflict. I think there are better ways to do that. ... This is not what we expect of professional educators," said Sharyn O'Neill, director-general of the state's Department of Education.

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An anonymous reader writes "Peter Jansen, a PhD student and member of the RepRap community, has constructed a working prototype of an inexpensive table-top laser cutter built out of old CD/DVD drives as an offshoot of his efforts to design an under $200 open-source Selective Laser Sintering (SLS) 3D printer. Where traditional laser cutters use powerful, fixed-focus beams, this new technique dynamically adjusts the focal point of the laser using a reciprocating motion similar to a reciprocating saw, allowing a far less powerful and inexpensive laser diode to be used. The technique is currently limited to cutting black materials to a depth of only a few millimeters, but should still be useful and enabling for Makers and other crafters. The end-goal is to create a hybrid inexpensive 3D printer that can be easily reconfigured for 2D laser cutting, providing powerful making tools to the desktop."

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disco_tracy writes "Two different viruses have been used to create the cathode and anode for a lithium-ion battery. If research pans out, the parts could be grown in and harvested from tobacco plants and then woven into or sprayed onto clothing to power a wide range of electronic devices."

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Slashdot regular Bennett Haselton has written a piece on a new program called Collage that can circumvent censorship by embedding messages in user-generated content on sites like Flickr. The program demonstrates that a long-standing theoretical concept can be reduced to practice but Bennett wonders if anybody would actually need it, as long as they can exchange encrypted messages over Gmail and AIM. He begins "In a presentation delivered at USENIX, Georgia Tech grad student Sam Burnett and his colleagues described how their new program, "Collage," could circumvent Internet censorship by embedding messages in user-generated content on sites like Flickr. The short version is that a publisher uses the Collage system to break a message into pieces that are small enough to embed into a photograph using standard steganography, the photos are published according to some protocol (e.g. "all photos in the photostream of user xyz" or "all photos tagged with the 'xyz' tag"), and receivers who know the protocol for identifying the photos, can retrieve them and decode the message. According to the authors' paper, the system is general enough that it could be adapted to almost any site where user-generated content is published. (All of this can be done by hand using existing tools, but Collage automates the process to hide the individual steps from the user.)"

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