自家制作的宇宙
Even benchtop black holes, though, are nothing compared with the ambitions of IgorSmolyaninov of the University of Maryland.
即使是桌面上的黑洞,但是也无法与马里兰大学的伊戈尔-斯莫利亚尼诺夫的雄心相比。
For Dr Smolyaninov wants to create entire universes.
因为,斯莫利亚尼诺夫想创造一个完整的宇宙。
The way light travels through the four dimensions of space-time is mathematically akin tohow it moves through metamaterial.
从数学的角度看,光穿越四维空间的方式与它穿透超材料的方式很接近。
These are substances with features measured in nanometres, or billionths of a metre, whichlet them bend light in unusual ways.
这些材料是以纳米为单位,或者是以一米的十亿分之一为单位的特别物质,所以可以以特别的方式改变光的方向。
For example they can force light to skirt along the outside of an object, hiding it from view asif behind an invisibility cloak.
比如说,它们可以让光波绕开一个物体的外围,就好像隐藏在一个隐形斗篷的后面,让人无法看到它。
Space-time, too, bends light, in ways that depend on how mass is distributed within it.
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