There's not much explaining to do here. The smartypants scientists at Middlesex University are finally addressing the age-old question: "What good are robots if they can't serve alcohol to your friends?"
Engadget reports that the team are showing off the Heineken Bot at the Kinetica Art Fair in London. This little guy wanders around the room on a pre-programmed path. When a party guest hold his or her hands above its sonar-sensing head and hands the kegbot a cup, the machine serves up a beer and continues on its merry way.
Check out the video on Engadget.