Via FARK, there was a note on the top ten videos of robots by New Scientist: http://www.newscientist.com/popuparticle.ns?id=in124#faq3
At number 4, we have the spherical security guard:
http://www.newscientisttech.com/channel/tech/robots/dn6932
http://www.rotundus.se/press.php?lang=en
Looks familiar:
http://www.sadgeezer.com/html/Reviews+index-req-showcontent-id-501.html
There is no escape, we are all prisoners; time to find who is number 1…