posted on December 11, 2013 at 12:00 AM
Meet Luis von Ahn, a computer scientist and a professor at Carnegie Mellon who is already at the top of his field at age 30! Learn about one of his most successful ideas—CAPTCHA—a test that humans can pass but computers cannot, which has been used to improve the security of Internet sites. Click here to explore our PBS LearningMedia resource and discover how he comes up with his innovative ideas, and how CAPTCHAs have been reinvented to help digitize old books. This unique resource is intended for grades 6-12.
posted on December 10, 2013 at 9:38 AM
The New Year is just around the corner and with it comes new AMERICAN EXPERIENCE films premiering in January and February. Continuing its 25th anniversary season, new episodes kick off on January 7th with The Poisoner's Handbook—an in-depth look at how New York’s first medical examiner transformed forensic chemistry, followed by 1964 on January 14th—an exploration of a year that defined an era (Beatlemania, the passage of the Civil Rights Act, the birth of the Women’s Movement and the transfer of the presidency to LBJ).
The Poisoner's Handbook (Airs January 7)
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When New York City hired its first scientifically trained medical examiner, Charles Norris and his extraordinarily driven and talented chief toxicologist, Alexander Gettler, forensic chemistry turned into a formidable science, sending many a murderers to the electric chair and setting the standards that the rest of the country would ultimately adopt. This show comes complete with a Teacher's Guide and an Interactive!
1964 (Airs January 14)
Based on The Last Innocent Year: America in 1964, by award-winning journalist Jon Margolis, this film will follow some of the most prominent figures of the time – Lyndon B. Johnson, Martin Luther King, Jr., Barry Goldwater, Betty Freidan – and bring out from the shadows the actions of ordinary Americans whose frustrations, ambitions, and anxieties began to turn the country onto a different...
posted on December 9, 2013 at 12:00 AM
Programming plays a huge role in the world that surrounds us, and though its uses are often purely functional, there is a growing community of artists who use the language of code as their medium. Check out this resource from PBS LearningMedia and view work that includes everything from computer generated art to elaborate interactive installations, all with the goal of expanding our sense of what is possible with digital tools. To simplify the coding process, several platforms and libraries have been assembled to allow coders to cut through the complicated aspects of programming and focus on the creative aspects of the project. These platforms all share a strong open source philosophy that encourages growth and experimentation, creating a rich community of artists that share their strategies and work with unprecedented openness. This engaging lesson is intended for students in grades 9-12. Start coding today!
posted on December 5, 2013 at 7:45 AM