You want a trip for a nerd, visit the sequencer rooms and server rooms at the Sanger Center. They have banks upon banks upon banks of people-tall boxes, each full of racks of superfast computers. The cabling between them is as thick as your arm (well, maybe just my arm). The airconditioner to keep that one room cool is itself the size of a room. By running flat out, all the time, it keeps it down to merely warm in there, and it has its own backup generator because if it ever lost power for a few minutes, the computers would heat up immediately and all crash, losing the human genome. I know just what you mean about the sense of awe known only to nerds when looking at something like that.