Want to be safe from the NSA's prying eyes? Here are some tips.

Every day, we get new revelations from the Snowden Files that suggest the NSA has been spying on pretty much everybody's activities online. Now computer security expert Bruce Schneier has written up a few tips on how to make sure you're not one of the people they're watching. » 9/05/13 3:35pm 9/05/13 3:35pm

Will We Hold Robots Accountable for War Crimes?

Now that the military is using autonomous surveillance/combat robots created by iRobot, the company behind the Roomba robot vacuum, a strange question emerges: What do we do if a robot commits a war crime? This isn't idle speculation. An automated anti-aircraft cannon's friendly fire killed nine soldiers in South… » 1/17/08 1:00pm 1/17/08 1:00pm