Daftydux@lemmy.dbzer0.com to Ask Lemmy@lemmy.worldEnglish · 14 hours agoIf 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?message-squaremessage-square30fedilinkarrow-up131arrow-down12
arrow-up129arrow-down1message-squareIf 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?Daftydux@lemmy.dbzer0.com to Ask Lemmy@lemmy.worldEnglish · 14 hours agomessage-square30fedilink
minus-squareOnomatopoeia@lemmy.cafelinkfedilinkEnglisharrow-up5·edit-213 hours agoHow is radio slower than light? Isn’t it all part of the EM spectrum?
minus-squareslazer2au@lemmy.worldlinkfedilinkEnglisharrow-up1arrow-down6·13 hours agoLight is pure energy. While radio is energy it also contains information which means it is slower.
minus-squaresafesyrup@feddit.orglinkfedilinkEnglisharrow-up9·13 hours agoThat is not true. The propagation speed of light and radio waves in the same medium is exactly the same. It’s both electromagnetic waves
How is radio slower than light? Isn’t it all part of the EM spectrum?
Light is pure energy. While radio is energy it also contains information which means it is slower.
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