Ask ScienceEnglish • 3 months 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?

Ask ScienceEnglish • 3 months ago

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9•3 months ago
If it burns up in the atmosphere with relativistic speed, it burns up the atmosphere.
- @QuadratureSurfer
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  5•3 months ago
  Relevant xkcd video: https://www.youtube.com/watch?v=3EI08o-IGYk
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  2•3 months 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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