ucberkeley Archive

  • After a brief period of no news, it's time to revisit the world of invisible cloaks . Inspired by the ideas of theoretical physicist John Pendry at Imperial College, London, two separate groups of researchers from Cornell University and UC Berkeley claim to have prototyped their own cloaking devices

    Quest for invisibility cloaks revisited by two research groups

    Posted on April 30, 2009 | No Comments
    After a brief period of no news, it's time to revisit the world of invisible cloaks . Inspired by the ideas of theoretical physicist John Pendry at Imperial College, London, two separate groups of researchers from Cornell University and UC Berkeley claim to have prototyped their own cloaking devices

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  • So far, sending files to your Kindle cost a flat fee -- one dime per document for conversion and download over Whispernet. Looks like that honeymoon is over, as Amazon's announced that as of May 4th, the Personal Document Service will be a variable fee of $0.15 per megabyte, rounding up. It's still free of charge if you transfer the documents over via USB, and sending them to

    Amazon to charge per megabyte to send personal documents OTA to your Kindle

    Posted on April 30, 2009 | No Comments
    So far, sending files to your Kindle cost a flat fee -- one dime per document for conversion and download over Whispernet. Looks like that honeymoon is over, as Amazon's announced that as of May 4th, the Personal Document Service will be a variable fee of $0.15 per megabyte, rounding up. It's still free of charge if you transfer the documents over via USB, and sending them to "name"@free.kindle.com will return converted files to your email address gratis

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