时间旅行

A new theoretical framework suggests quantum entanglement could allow messages to travel through time, though the engineering reality remains firmly anchored in the present. 五月 08, 2026

A new technique inspired by general relativity and cinematic sci-fi suggests that sending data backwards through time isn't just possible—it might be easier than sending it forw... 四月 30, 2026

Two separate laboratory breakthroughs — one using a metamaterial time mirror for electromagnetic waves, the other a quantum 'rewind' protocol for single particles — have demonst... 十二月 24, 2025

A new preprint argues that a re-interpretation of Landauer conductance and a locally defined density of states resolve the quantum measurement problem and enable time travel via... 十二月 12, 2025

Physicists have long studied whether the past or future can be reached. This article reviews what general relativity and quantum theory actually allow, what experiments are test... 十一月 18, 2025