It’s impressive. But can they grapple? Reach out and trap a wrist or put someone in a submission hold? ... but I don’t think robot workers have this level of physicality quite yet.
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Yes they can right now. The dancing is to demonstrate degrees of freedom of movement. See videos above.
I’m pretty sure we are entering an era where most humans will have nothing of value to contribute to the national economy. Machines of various types will do the vast majority of work.
Which means, mostly, that humans won’t be working or earning a paycheck. Which means corporations won’t have customers with cash in their pocket to buy products. Which means money goes away. Which means our $50T deficit is a non-issue.
I don’t want a socialist future where wealth is redistributed and everyone owns everything, but I think it may be inevitable that we will have a society were goods and food are “magically” produced, and everyone gets a universal basic income that they use to gain access to necessities.
It’s all going to be different.