Bell Swan Ω "Shell Bell"

"Communication devices and blowing-up things are good," Bell says. "We can start there. Can you make blowing-up things that can put themselves where they're told?" Pause. "Especially if free of the engineering constraint of having to make them blow themselves up without an outside source of ignition, because... I have a stick. And what kinds of tools do you need? If you're serious about this you should both set up consultancies in the bar like mine and see what you can trade for or buy."