Recent content by rbt

Why do we require tremendous energy (equivalent to the Planck's energy) to verify String/hyperspace/higherdimension theory?

Hi, This might sound a very basic question to most of you all. But could you kindly give me some information on what eactly is a Metric Tensor and what is its significance in the higher dimension study? (Wiki or Google info seemed too cryptic. Thus...I ask you) Thank You