Black Holes May Be 'Supermazes' of Many-Dimensional StringsPhysicists think the insides of black holes may be complex mazes of tangled strings in higher dimensions Jose A. Bernat Bacete/Getty imagesBlack holes, the densest objects in the universe, eat up anything that comes too close, even light. Is there anything left inside these behemoths that could reveal what they devoured in the first place? String theory, an attempt to merge gravity with quantum physics, says yes. A new study suggests tha...