Reminds me of the rat thing security cyborg dog in Snow Crash. Powered by a small nuclear device, it runs faster than the speed of sound to stay cool and reside

Reminds me of the rat thing security cyborg dog in Snow Crash. Powered by a small nuclear device, it runs faster than the speed of sound to stay cool and resides in a liquid nitrogen cooled hatch when not moving. Completely ridiculous of course. But fun.