... Ultracold Big Bang experiment simulates evolution of early universe . ... Professor Cheng Chin and his University of Chicago associates have simulated the impossibly hot conditions that followed the Big Bang within an ultracold vacuum chamber in his sub-basement laboratory in the Gordon Center for Integrative Science. ... This is the first time an experiment like this has simulated the evolution of structure in the early universe, said Cheng Chin, a professor at the University of Chicago. ...