I don't know about you, but I love to see things cut in half. Sometimes they are boring, but most of the times they are incredible, like the mechanical calculator shown above. It's hard to believe this metal mess works. Here's more stuff that looks awesome stuff when cut in half. Warning: A few of these images are not for the squeamish!
Heavy duty undersea power cable
Used to connect wind turbines to main land, it costs $US400 per foot!
Counterflow plate chiller
Used to cool down boiling beer to fermentation temperature.
Skinny vs fat human beings.
Modern model, by James Friedman.
By James Friedman.