Apologies if this is old hat, but I was amazed and slightly disturbed by this thing. It moves just a little *too* naturally. (Pity about the noise it makes.)
Boston Dynamics: The Leader in Lifelike Human Simulation
Also a pity it takes defense funding to do it too.
I want one. (I think.)
Edit: Dammit, it _is_ old hat: http://www.adisc.org/forum/off-topic...t-invason.html (I originally read it as 'BioDog' and forgot to search after correcting it. Well for anyone that hasn't seen it... here it is again.