Don_Dickle@lemmy.world to Ask Science@lemmy.worldEnglish · 3 months agoIf 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?message-squaremessage-square19fedilinkarrow-up114arrow-down13
arrow-up111arrow-down1message-squareIf 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 · 3 months agomessage-square19fedilink
minus-squaresuperkret@feddit.orglinkfedilinkEnglisharrow-up6·3 months agoIf it burns up in the atmosphere with relativistic speed, it burns up the atmosphere.
minus-squareQuadratureSurfer@lemmy.worldlinkfedilinkEnglisharrow-up3·3 months agoRelevant xkcd video: https://www.youtube.com/watch?v=3EI08o-IGYk
minus-squareCanadaPlus@lemmy.sdf.orglinkfedilinkEnglisharrow-up1·3 months agoTrue, but damage still depends on craft size. At the really small end you’re basically just talking about a normal cosmic ray.
If it burns up in the atmosphere with relativistic speed, it burns up the atmosphere.
Relevant xkcd video: https://www.youtube.com/watch?v=3EI08o-IGYk
True, but damage still depends on craft size. At the really small end you’re basically just talking about a normal cosmic ray.