Resumen de The Great Cosmic Roller-Coaster Ride.

Cliff Burgess, Fernando Quevedo

• The article discusses a theory that combines the principles of sting theory and the cosmic inflation theory. The author explains that ideas are being proposed about the universe being apart of a "multiverse" which contains many universes all interacting with one another. This could explain why our universe is slowing down and may also suggest that it will speed up when the right forces act on it. INSETS: MANY UNIVERSES IN ONE;STRINGLISH;Why Is Our Universe 3-D?.