This multifunctional humanoid robot, christened 'Justin', incorporates two DLR-III LightWeight robotic arms fabricated by the good old German Space Agency, DLR. With its ultra position-sensors sited in its arms, this robo can very well evaluate where exactly its limbs are, without even gazing through those camera eyes, definitely wacky!

Called the kinaesthetic sense, this new technological advancement works in accordance to our neurological feedback that comes from muscles and tendons to know where our limbs are without looking.
Researchers also boast that -
The same capabilities allow Justin to perform some neat tricks. In the video embedded below. He uses his joint sensors to maintain a model of his body. When the researchers try to make him hit his own face or body, he knows exactly what's happening and refuses to do it.
Via: Newscientist