Not even the most heavily-armed police state can exert brute force to all of its citizens all of the time. Meme management is so much subtler; the rose-tinted refraction of perceived reality, the contagious fear of threatening alternatives.

If the rest of your brain were conscious, it would probably regard you as the pointy-haired boss from Dilbert

Radar is too long in the tooth for fine detail.

Science is so powerful that it drags us kicking and screaming towards the truth despite our best efforts to avoid it.

Stars, everywhere. So many stars that I could not for the life me understand how the sky could contain them all yet be so black.

Computers bootstrap their own offspring, grow so wise and incomprehensible that their communiqués assume the hallmarks of dementia: unfocused and irrelevant to the barely-intelligent creatures left behind. And when your surpassing creations find the answers you asked for, you can't understand their analysis and you can't verify their answers. You have to take their word on faith.

Perfect hexagonal tubes in a packed array. Bees are hard-wired to lay them down, but how does an insect know enough geometry to lay down a precise hexagon? It doesn't. It's programmed to chew up wax and spit it out while turning on its axis, and that generates a circle. Put a bunch of bees on the same surface, chewing side-by-side, and the circles abut against each other - deform each other into hexagons, which just happen to be more efficient for close packing anyway.