iCub is a robot platform; the intent is to explore the development of human-style cognition. Exploration techniques are an essential feature of human development, as anyone who raised a child knows.
(iCub crawling robot baby video)
iCub is defintely a step forward from earlier robot babies; take a look at M3-neoni:
SF fans recall the robot child portrayed by Haley Joel Osment in Steven Spielberg's AI (from Brian Aldiss' excellent 1969 short story Super-Toys Last All Summer Long). I don't think he crawled, though.
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Illustrating Classic Heinlein With AI
'Stasis, cold sleep, hibernation, hypothermia, reduced metabolism, call it what you will - the logistics-medicine research teams had found a way to stack people like cordwood and use them when needed.'
Deflector Plasma Screen For Drones ala Star Wars
'If the enemy persists in attacking or even intensifies their power, the density of the plasma in space will suddenly increase, causing it to reflect most of the incoming energy like a mirror.'