Do we really live in 10-dimensional Space ? Harvard Prof S.T. Yau (1st Chinese Fields Medalist) talked on the inner space of Geometry and String Theory in Physics:
我們真的活在十維時空裡嗎?丘成桐院士從幾何和弦論談空間的內在形狀:
See also :
https://tomcircle.wordpress.com/2013/04/01/st-yao%e4%b8%98%e6%88%90%e6%a1%90/
Mathtuition88 