Zarine Khan (right) and Shafi Khan, parents of Mohammed Hamzah Khan, speak to reporters in Chicago Oct. 9 after a federal hearing for their 19-year-old son, accused of trying to join Islamic State militants in Syria. Charles Rex Arbogast/AP hide caption

Barbara Beskind, 90, is a designer at IDEO who works with engineers on products that improve the quality of life for older people. Nicolas Zurcher/Courtesy of IDEO hide caption

Former Apple CEO Steve Jobs stands in front of a projection of iTunes at a presentation in 2004. Ian Waldie/Getty Images hide caption

Ride-hailing services like Uber have changed ground transportation for both passengers and drivers. As Uber rapidly grows, it becomes more difficult for its drivers to keep up with the hustle. David Ramos/Getty Images hide caption

Interactive touch screens at the newly redesigned Cooper Hewitt museum let visitors sort through the catalog and create their own designs. Cooper Hewitt hide caption

While viral videos are a common feature of modern Internet life, recently a few audio clips, including sounds from a comet, have become popular. Underwood & Underwood/Corbis hide caption

David Lowery, of Cracker and Camper Van Beethoven, says he's wary of the way Pandora pays for music. Cooper Neill/Getty Images hide caption

Rebecca Watson says she has been disappointed by the police response to online threats against her. Adam Isaak hide caption

IBM's Watson supercomputer is most famous for winning at Jeopardy! Now it's been called in to come up with recipe ideas. Bob Goldberg/AP/IBM hide caption

A technician opens a vessel containing women's frozen egg cells in April 2011 in Amsterdam. AFP/Getty Images hide caption

Jean Jennings (left) and Frances Bilas set up the ENIAC in 1946. Bilas is arranging the program settings on the Master Programmer. Courtesy of University of Pennsylvania hide caption