]> G eyefloss 2006.01.07 cluster0 Even if the universe were infinite cluster1 some people may ask, cluster2 "Is this really necessary?" cluster3 and then they may delete it. head0 _ _ o0 / ~ / head1 _ _ o0 / ~ / head0->head1 omega0 Empirical Density ---------------------- Critical Density one0 1 (ONE) omega0->one0 greater than? omega0->one0 equal to? omega0->one0 less than? head2 _ _ o0 / ~ / head1->head2 somepeople1 some people this2 *this somepeople1->this2 necessary? deletethis3 { delete *this; } head2->deletethis3