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# How To Detect Faster Than Light Travel
- URL: https://www.cascadepbs.org/show/pbs-space-time/episode/how-to-detect-faster-than-light-travel-cmjuam/
- Published: 2024-07-24T14:15:30.000Z
- Updated: 2025-08-21T13:47:02.000Z
- Description: Faster than light travel may produce gravitational waves that we could see here on Earth.
- Author: Cascade PBS Staff
- Tags: PBS Space Time, Season 10, Episode 15, #ZZZ_Episode_622e1e01-3079-475e-9313-aeff98835d6e, #episode, #ZZZ_Show_ae70f836-13b6-4c9d-b61f-99f7b8bc29eb, #v1.16

Warp drives may or may not be possible, but if they are then could a distant alien civilization’s warp fields produce gravitational waves that we could see here on Earth? According to a recent study.. Actually maybe, at least eventually. And we now know just what to look for and how to look for it.