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总结
《对话》（The Conversation）一篇科普文章梳理虫洞研究指出：虫洞虽是广义相对论中允许出现的时空“隧道”解，但目前缺乏可核验的观测证据，且理论上要实现可穿越虫洞需满足负能量、稳定性等苛刻条件，并会触及因果与时间旅行悖论等限制。作者认为，正因这些困难，相关研究更重要的价值在于揭示时间、因果与宇宙结构的深层约束，推动对量子引力边界与极端时空的理解，并为未来检验基础物理提供思路。
正文
Wormholes may not exist - we've found they reveal something deeper about time and the universe The Conversation Exploring new frontiers of wormhole research Brock University Could future humans build artificial wormholes? vocal.media Can Wormholes Allow Time Travel? Exploring Physics, Paradoxes, and Possibilities vocal.media Are Wormholes Real or Just Equations? Exploring the Reality of Spacetime Tunnels vocal.media
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