links for 2008-11-18

Posted by del.icio.us bot at November 18th, 2008

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links for 2008-11-16

Posted by del.icio.us bot at November 16th, 2008

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links for 2008-11-10

Posted by del.icio.us bot at November 10th, 2008

  • The request for real-time web-browsing information - the content or the web address (URL) of every web page browsed by users of mobile handsets, palmtop devices or 3G modems - goes beyond the European Union's data retention directive, which the Government intends to implement as a statutory instrument.

    Such a measure would cover the content of web-based email. "The directive does not pertain to the retention of content, and this would be very concerning," said Deputy Data Protection Commissioner Gary Davis.

    Industry sources confirmed last night that Vodafone - the largest mobile service provider in the State - had received a letter from the Garda Commissioner.

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links for 2008-11-09

Posted by del.icio.us bot at November 9th, 2008

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links for 2008-11-08

Posted by del.icio.us bot at November 8th, 2008

  • Cloaking a region of space is relatively straightforward but cloaking an object in that space is another matter. Lai and co say the trick is to work out the optical properties of the object and then embed the “complementary image” within the cloaking material. So a plane wave would be bent by the object but then bent back into a plane as it passes through the cloaking material.
    Et voila: cloaking at a distance. And in a way that doesn’t leave the cloaked object blind.

  • We are visible to bots even when we are not at our computers. Next time you are on a downtown street, contemplate the bot-controlled video cameras watching you, or the bots tracking your cellphone and sniffing at your Bluetooth-enabled gizmos. We walk through a gauntlet of bot-controlled sensors every time we step into a public space and the sensors are proliferating.

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links for 2008-10-29

Posted by del.icio.us bot at October 29th, 2008

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