String theory suggests 11 dimensions. If the Big Bang involved a sudden expansion of three of those dimensions into the space we know today, is it possible that the energy for the Big Bang and subsequent expansion was caused by the collapse of one or more of the other 8 dimensions into the tiny form they allegedly inhabit today. The form of the
before the Big Bang is unknowable but is this hypothosis possible?
- String Theorists Simulate the Big Bang (livescience.com)