That's one of the most interesting concepts of advanced engineering: No single component of that machine is overtly complex. The machine, as a whole, is complex.

That's one of the most interesting concepts of advanced engineering: No single component of that machine is overtly complex. The machine, as a whole, is complex. But each component is, ostensibly, it's own machine. And each machine within the greater whole is rather simple in design and function.
(2014)