Did you know that your eye is related to the pinhole camera? Light enters through the pupil of the eye, and a tiny image of the outside world fans out across the back of the eye, on the retina.  If you have an extremely dark room that has a window to the outside world, try...

shadows fall on shadows, aghast at their own darkness times keep falling out of place, surprising themselves, trailing numberless atrocities like the dust of a comet sweeping ominously across a shrouded, weeping planet the forces are arrayed, the engines started words have been spoken, in earnest, in fear, in foreboding the percolating matrix of desire...