Nima Arkani-Hamed , a theoretical physicist , predicts large extra dimensions . Comment: The universe is expanding at an accelerating rate due to the expansion of space and time itself. LHC results may change ideas of spacetime for the first time since Einstein . String theory postulates that the building blocks of matter are vibrating strings .
Nima Arkani-Hamed , a theoretical physicist , predicts large extra dimensions . The Large Hadron Collider in Switzerland may confirm his ideas . LHC results may change ideas of spacetime for the first time since Einstein . String theory postulates that the building blocks of matter are vibrating strings .