BBC地平线：如何制造时间机器

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类型：纪录片         地区：英国         年代：2018       主演：

https://www.bbc.co.uk/iplayer/episode/b0bb33ht/horizon-2018-3-how-to-build-a-time-machine　　Time travel is not forbidden by the laws of nature, but to build a time machine, we would need to understand more about those laws and how ...