Why Do Humanoid Robots Still Struggle With the Small Stuff? The last time I covered the science of humanoid robots, the state of the art looked downright Orwellian — by which I mean, “four legs good, two legs bad.” It was 2015. Boston Dynamics’ first “Spot” quadruped had taken YouTube by storm, confidently trotting up stairs and recovering from vicious kicks. Also popular at the time: humanoids falling down. Constantly. I felt sorrier for those tottering… [Source][1] [1]: https://www.quantamagazine.org/why-do-humanoid-robots-sti… https://www.quantamagazine.org/why-do-humanoid-robots-sti…