On 20 Dec 2012, Ralf Mardorf wrote: > On Thu, 2012-12-20 at 18:26 +0100, Klistvud wrote: > > Dne, 20. 12. 2012 01:47:33 je Ralf Mardorf napisal(a): > > > > > Perhaps I'm a computer and I only guess that I'm human. > > > > Captchas seem to be based on the wrong assumption that humans can > > recognize shapes whereas automata supposedly can't. Judging from the > > reactions on this list, I should perhaps apply for a patent for > > *purposely* indeciphrable captchas? I'd just have to invent a companion > > method for detecting "unmistakably human" behavior when confronted with > > such unsolvable captchas, such as: mad stare, hair pulling, keyboard > > smashing, cursing, kicking the computer, spitting, yelling and the like. > > > > I'd like to see robots emulate *that*! > > That's the most funniest reply in a long time :D, but your patent might > have some security gaps, since e.g. spitting could be "emulated" > http://www.synthetic-urine.de/en/products/synthetic-human-body-fluids/synthetic-saliva-din-53160-1.html > > I heard about artificial penises + artifical urine that should be that > natural, that it's used to pass drug screenings. >
Captchas can be thought of as an attempt to perform the Turing test. Experience suggests that either computers can pass it and/or humans fail. AC -- Anthony Campbell - a...@acampbell.org.uk http://www.acampbell.org.uk http://www.reviewbooks.org.uk http://www.skepticviews.org.uk http://www.acupuncturecourse.org.uk http://www.smashwords.com/profile.view/acampbell -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org Archive: http://lists.debian.org/20121221084807.ga2...@acampbell.org.uk