在物理学的世界里,我们经常发现最简单的问题最难回答。
阳台或者门廊应该至少有两米深,不然就用不上。
我们发现的每一颗新行星都让我们更接近回答这个古老的问题:我们在宇宙中是孤独的吗?
The computer is the first metamedium, and as such it has degrees of freedom for representation and expression never before encountered.
The future of steel lies in its ability to adapt to a low-carbon economy.