Nao humanoid climbs spiral staircase, breakfast in bed is around the corner (video)

Robots can clean your pool and pick up after your lavish dinner parties, but what use is Mr. Nao when you're ringing for a nightcap from the comfort of your second-floor bedroom. Okay, so we've seen the odd bot take a journey up some stairs, but how many cyborgs are prepared to scale flights that twist and turn. Researchers from the University of Freiburg's Humanoid Robots Laboratory have demonstrated a Nao humanoid capable of climbing spiral staircases, which, of course, are more challenging to scale than their non-curving counterparts.

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