Could you say "no" to this face? Christoph Bartneck of the University of Canterbury in New Zealand recently tested whether humans could end the life of a robot as it pleaded for survival. Christoph Bartneck hide caption

Plugged in, but not at work: Web security personnel were called in to find out how a company's network was being accessed from China. They found that an employee had outsourced his own job. AFP/AFP/Getty Images hide caption

The MaKey MaKey invention kit includes a plan for making a "banana piano," helping the Kickstarter project make it to the site's best-of-2012 list. Kickstarter says 2.2 million people pledged nearly $320 million in 2012. Kickstarter hide caption

The printed cup. via Shapeways hide caption

Innovation? Lee Jae-Won/Reuters/Landov hide caption

Please disconnect from all unapproved Internet courses. anthonylibrarian/Flickr hide caption

Ever feel like someone is watching you? The Federal Trade Commission finds you could be right — if you've used a rental computer. iStockphoto hide caption

Waiting to help the economy grow. Kiichiro Sato/AP hide caption

Thomas Peterffy, shown here in 2010 Brendan Smialowski/Getty Images hide caption

A Chinese protester, calling for an end to the violence against pro-democracy demonstrators at Tiananmen Square, blocks a line of tanks on June 5, 1989. Jeff Widner/AP hide caption