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t1_j24s2ii wrote

Reply to comment by in One of the world's largest lasers could be used to detect alien warp drives by

That last part is the problem. We don't have any realistic physics that allows was drive. For instance, the one they are talking about requires negative mass which we not only have no evidence of but it sounds pretty ridiculous so we have no reason to think it might exist.

If aliens are using warp drive it'll almost certainly be different than anything we could think of today.

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