Don_Dickle@lemmy.world to Ask Science@lemmy.worldEnglish · 23 days ago

If Aliens arrive with their tech to traverse world wouldn't our weapons pretty much look like sticks and stones to them? Also how do we not catch a disease from them or vice versa?

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If Aliens arrive with their tech to traverse world wouldn't our weapons pretty much look like sticks and stones to them? Also how do we not catch a disease from them or vice versa?

Don_Dickle@lemmy.world to Ask Science@lemmy.worldEnglish · 23 days ago

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superkret@feddit.org
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23 days ago
If it burns up in the atmosphere with relativistic speed, it burns up the atmosphere.
- QuadratureSurfer@lemmy.world
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  23 days ago
  Relevant xkcd video: https://www.youtube.com/watch?v=3EI08o-IGYk
- CanadaPlus@lemmy.sdf.org
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  22 days ago
  True, but damage still depends on craft size. At the really small end you’re basically just talking about a normal cosmic ray.

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