Earlier quoted context omitted.
PFFFT! A language interpreted at runtime, by an application that runs inside an operating system (which may or may not be virtualized) that boots into protected mode. Let me get this straight, you're ostensibly describing this as being "bare metal"? Have you ever heard the terms "kernel mode" or "ring zero"? Oh wait, you qualified it as "the 'metal' of the web"... so it's an "analogy". Sorry to be pedantic, but when…
Silicon isn't technically a metal anyways ;) A metalloid at best. http://en.wikipedia.org/wiki/Metalloid "Sometimes writing markdown feels like working on the bare metalloid"
But! IN THEORY You could still construct a processor out of electromagnetic relays (springs, contacts, leads and solenoids only), if perhaps your goal was to never exceed 100 Hz.
(...at first I was going to point out http://www.bigmessowires.com but it turns out that beyond the wire wrap connections, he's still using modern semi-conductor packages)