"-electricity, actually," Cal clarifies, trying not to wince at the man's obvious confusion. "It's...all contained and connected through wires. I'd show you but I'd rather not break anything here to do it. Sorry, I know it's really complicated."

He steps over to see if Bruno will relinquish the kettle so he can demonstrate what he'd explained earlier to sets it down and plugs it in. BD-1 jets himself up onto the counter beside it, tweedling before he turns his head aside to start projecting a schematic of the kettle, trying to be helpful. "Ah, BeeDee, I don't think-"