Blink and you'll miss these sumo robots fighting

Seriously, don't flinch. Canadian VR developer Robert McGregor has put together six years of Japanese sumo robots fighting each other in a single video. 

The robots are programmed to push their opponents out of the ring, like regular sumos, but they barely take a minute to pause, going right into the action: 

Naturally, these heartless robots don't seem to care about whether their opponents are utterly wrecked.

There's even a tiny femto-class of sumo robot fighting: