Want to see a bunch of DiY robots smash each other up in a series of competitive fights? Then you need to come out to California for the ComBots Cup – as an io9 reader, you even get a discount! David ...

If you’re in the Bay Area this weekend, you have no excuse to miss out on the ultra-violent, super-high-tech spectacle of the ComBots Cup. There is nothing more metal than robots weighing up to 220 ...

Wedge. Spinner. Lifter. Flamethrower. Those are the weapons of choice in the world of robot fighting, an adrenaline-pumping, mind-stretching competition that, more often than not, is fought by a bunch ...