tag:blogger.com,1999:blog-3315579333067639553.post3656357559993393457..comments2023-09-16T04:04:05.052-05:00Comments on Mad Engineering: Defeating CAPTCHAsProfessor Preposteroushttp://www.blogger.com/profile/07833576109973350556noreply@blogger.comBlogger2125tag:blogger.com,1999:blog-3315579333067639553.post-20617349889758158052010-12-28T02:14:21.675-06:002010-12-28T02:14:21.675-06:00These things can be a bitch on 4chan. If Anonymous...These things can be a bitch on 4chan. If Anonymous cant find a way to beat it, no one can.KaiWenhttps://www.blogger.com/profile/15807115279983591853noreply@blogger.comtag:blogger.com,1999:blog-3315579333067639553.post-45479445675995357582010-12-27T12:58:00.744-06:002010-12-27T12:58:00.744-06:00I doubt his OCR would be able to read them all. I&...I doubt his OCR would be able to read them all. I've encountered more than my fair share of completely illegible ones no matter how I turned my head. The cat ones are particularly horrible.<br /><br />http://depressedprogrammer.wordpress.com/2008/04/20/worst-captcha-ever/<br /><br /><br />Some SOB even put this as a captcha<br /><br />A site is surveyed and it is found that the angle to the top of the main building is 45 degrees when measured from a distance. When measured from 200 metres closer, the angle is 80 degrees. Assuming the ground is horizontal, make some practical calculations using degrees and the three trigonometric ratios, sin, cos or tan to find the height of the building.TCGnoreply@blogger.com