Taming infinity with loops
In the conventional big bang models based on general relativity, our universe began in a patently absurd physical state: With the big bang singularity, at a time when all the space and matter we see around us today was compressed to a single point of ...
Avoiding the big bang
So far, there are no observations, astrophysical or otherwise, that would lead scientists to question the validity of Einstein's general theory of relativity. Nonetheless, physicists know that the theory is incomplete: According to the so-called singularity ...
