Long-Lived Black Holes: How the 'Memory Burden' Effect Slows Evaporation and Leaves a Mark in the Early Universe's Radio Signal
Primordial black holes, hypothetical objects that emerged in the first instants after the Big Bang from the collapse of superdense fluctuations, should have vanished long ago according to Stephen Hawking's classic prediction: they would completely evaporate via quantum radiation, much like a puddle of…