If the last you saw of fighting wheeled robots was Robot Wars, well, things have moved on in the last few years! Check out these single-minded sumobots, as fast as the eye can see and ruthlessly optimized to their purpose.
With the slower, more implicitly purposeful Boston Dynamics bots, there are usually two responses: firstly, "holy shit!", and secondly, "something something welcome our new robot overlords." Their resemblance to mammal forms is both appealing and unnerving.
But here there is only "holy shit!" These lightning-fast, plainly unlovable little fellas are a good reminder of what the reality will be: the same overlords as before, but wielding weapons so tiny and fast that you won't even see them coming.