▲ 34 ▼ If every star in the night sky is a signal is it possible to send data to other galaxies by intermittently blocking out the suns light in that direction? (lemmy.dbzer0.com) submitted 1 month ago by Daft_ish@lemmy.dbzer0.com to c/asklemmy@lemmy.world 33 comments fedilink hide all child comments
[–] Onomatopoeia@lemmy.cafe 6 points 1 month ago* (last edited 1 month ago) (1 child) How is radio slower than light? Isn't it all part of the EM spectrum? permalink fedilink source parent hideshow 2 child comments replies: [+] slazer2au@lemmy.world -6 points 1 month ago (1 child) Light is pure energy. While radio is energy it also contains information which means it is slower. permalink fedilink source parent hideshow 2 child comments replies: [–] safesyrup@feddit.org 10 points 1 month ago That is not true. The propagation speed of light and radio waves in the same medium is exactly the same. It's both electromagnetic waves permalink fedilink source parent
[+] slazer2au@lemmy.world -6 points 1 month ago (1 child) Light is pure energy. While radio is energy it also contains information which means it is slower. permalink fedilink source parent hideshow 2 child comments replies: [–] safesyrup@feddit.org 10 points 1 month ago That is not true. The propagation speed of light and radio waves in the same medium is exactly the same. It's both electromagnetic waves permalink fedilink source parent
[–] safesyrup@feddit.org 10 points 1 month ago That is not true. The propagation speed of light and radio waves in the same medium is exactly the same. It's both electromagnetic waves permalink fedilink source parent