translation.en: Is this just an interesting mathematical structure that might be able to explain some previously unexplained features of the world, or can we actually test for these extra dimensions?
translation.zh: 这只是一个有可能解释 世界上以前未能解释的问题的 奇妙数学结构？ 又或者我们真的可以证明这些额外额度的存在？