Saronic builds robot warships for the U.S. Navy -- and won a $392 million contract last year. Saronic needs even more money though, and so raised $1.75 billion in private funding last month. All of the companies named so far are publicly traded defense stocks.

The latest boom in robotics represents a revolution in the way machines have learned to interact with the world.

Unitree is bringing its R1 to international markets. It arrives with some aerobatic capabilities and an entry-level price, but the question of what you'd actually do with it remains open.

Pragmata features a grizzled soldier and a robot child but doesn’t have the emotional bond of The Last of Us or The Walking Dead.