• Periodicals,  Technology

    Periodical Picks: The Science of CAPTCHAs

    Lisa Laughy – Archives Assistant The September 12th issue of Science, recently out on the shelf in Ohrstrom Library’s periodical room, features a cover article about the combination of new tech and old books.  Five researchers have tested the effectiveness of the CAPTCHA web security measure to pick up the slack in OCR book digitization. If you regularly browse the web, you have encountered a CAPTCHA – asking you to decipher a difficult to read section of text and type the letters into a box.  Now researchers are finding a way to re-purpose your small efforts into something rather useful.   Science describes the project: “Millions of books written before…