Autonomous, human-sized security robots are almost here
 

You might not see quite so many security guards on the beat in the future. After roughly a year of work, Knightscope is almost ready to deploy the K5, a human-sized (5 feet tall) autonomous robot that's designed to take care of the more mundane parts...

http://www.engadget.com/2014/11/17/k...=rss_truncated