Where there's a need, there's often an artificial intelligence solution, at least in Silicon Valley. A "socially intelligent" artificial intelligence-powered humanoid robot is being tested for several months at San Jose Mineta International Airport.

We are now in the humanoid robot era, and they're starting to show up in our homes. But are they any good? And what's the path to improvement?

A blue-eyed humanoid robot carefully opens a box and places a tool inside as a crowd of visitors watch the demonstration of "physical AI" skills at a major industrial trade fair in Germany.