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Acoustic metric is perhaps further along the path of what this stub aspires to be, but doesn't (refuses to?) mention the term "dumb hole". —Preceding unsigned comment added by 76.191.151.139 ( talk) 06:35, 13 June 2009 (UTC) reply

Trying to introduce the new physics of dumb holes we are learning at HAIFA and the equivalents in those experiments that will create superluminal black holes, or kerr holes