<goltrpoat> i just got a bad mental image
<goltrpoat> of a generation of 60 year old geezers
<goltrpoat> who spent their adolescence on IRC

<goltrpoat> ok, here's an analogy. you can define a non self-intersecting klein surface in 4d, but you can't visualize it. imagine spending most of your life trying to visualize it and then just saying screw it, i can deal with the self-intersection 3d form.