On a quiet afternoon we see a small beetle making its way over the outside of a window pane. Its tough armor glistens in the sun as its tiny paws move gingerly across the smooth surface. Every detail of its body is visible: the ridges on its carapace, the fine hairs on its legs and the complex structure of its feelers. The beetle, oblivious to its spectator, quietly continues on its way, following a path that only it seems to know.