Uncategorized

  1. 19808

    When considering a spin rate of 1,122 revolutions per second, has anyone determined the diameter of the neutron star XTE J1739-285? If, for example, it were the same diameter as Earth, it would be traveling far in excess of the speed of light at its equator. In order to remain within the limitations of the […]

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  2. 19807

    It is ironic that this article describes a captcha [completely automated Turing test to tell computers and humans apart] and then goes on to demonstrate how to defeat it. An automated program that is supposed to pass this difficult computation test just has to forward the captcha image to a real person, at a different […]

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  3. Computing

    Games Theory

    Online games can not only entertain but also provide valuable data for researchers tackling computer-vision and other tough computational problems.