allergen
发表于 2025-3-27 00:57:32
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善于骗人
发表于 2025-3-27 04:41:55
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斗争
发表于 2025-3-27 07:05:43
Primordial WormholeWe demonstrate—and this is one of the main results of this book—that there are primordial wormholes whose ‘traversability time’, though small, is macroscopic.
ovation
发表于 2025-3-27 10:53:51
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不能根除
发表于 2025-3-27 15:38:33
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inscribe
发表于 2025-3-27 20:58:19
Physical Predilectionsmoothness requirements—being questioned now and then. So, it is important that there is almost a consensus on the validity of a few meta principles that restrict the arbitrariness of possible modifications. Sometimes these principles are explicitly formulated—differently by each author—but much more
思乡病
发表于 2025-3-28 00:36:25
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昏迷状态
发表于 2025-3-28 05:15:04
Time Travel Paradoxesradoxes seem to be something inherent to time machines (their main attribute, perhaps). On the other hand, the (supposed) paradoxicalness of time travel is traditionally the main objection against it and a good pretext for dismissing causality violating spacetimes from consideration. Recall, however
Feckless
发表于 2025-3-28 09:04:57
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Aids209
发表于 2025-3-28 14:18:35
At and Beyond the Horizon into account. Likewise, classically there is nothing impossible in its transformation into a time machine. It remains to check that there are no known . effects that would protect causality after all.