A black hole is matter and/or light crammed into such a tiny volume that nothing can escape. But, shortly after the big bang, the observable universe was that small. How did it escape?! Brilliant for 20% off: http://brilliant.org/ScienceAsylum.
Creator/Host: Nick Lucid.
Writer: Nick Lucid.
Copy Editor: Nick Lucid.
Editor/Animator: Nick Lucid.