BBC地平线:宇宙何其小

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Horizon plunges down the biggest rabbit-hole in history in search of the smallest thing in the Universe. 　　It is a journey where things don't just become smaller but also a whole lot weirder. Scientists hope to catch a glimpse of miniature black holes, multiple dimensions and even parallel Universes. As they start to explore this wonderland, where nothing is quite what it seems, ...