Hear From Luis von Ahn

  • By Susan K. Lewis
  • Posted 04.01.09
  • NOVA scienceNOW

At his lab at Carnegie Mellon University, computer scientist Luis von Ahn and his students are developing games to help make the Web more search-friendly and solve other big problems. Listen in as von Ahn describes how he develops a new game, how he knows that it's fun, and more.

Launch Interactive

The computer scientist behind CAPTCHA and reCAPTCHA talks about his Games With a Purpose.


Original interview produced by
Josh Seftel


© WGBH Educational Foundation

Related Links

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  • Games With a Purpose

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  • Luis von Ahn: Expert Q&A

    CAPTCHA inventor Luis von Ahn answers questions about his life and work.

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