Carroll;Scientific American, June].But by allowing the number of spacetime atoms to change, loop quantum gravity allows the universe more freedom to tidy up than classical physics would suggest.

• 但是，经由改变时空原子的数目，环圈量子重力允许宇宙所拥有的自由度，比古典物理所容许的更多，得以收拾整顿，再造山河。