Simple example of why time travel is impractical
Posted | archive
比较老了,今天才发出来。。。。
reddit上说,time does not exist,时间其实是人们对gravity不理解发明出来的一个概念;又看到有评论说,如果磁单极子被发现了,那么反重力的存在也是自然而然的事。。。
感觉自己真的是个物理白痴。。。。
当然从另一个容易的角度也很好理解为什么time travel不现实
My grandfather educated me to the fact that time travel was impossible long ago. He simply stated, "If time travel were possible, it would exist."
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