No Stupid Questions

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Before radios were invented, have there always been radio waves floating everywhere in the air? Just waiting to be harnessed and used for a purpose? (lemmy.world)

submitted 10 months ago by [email protected] to c/[email protected]

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[–] [email protected] 1 points 10 months ago

It reminds me of an old writing prompt idea I saw on the other site. Basically the setup was that exactly after twice an amount of light-time had passed for all the radio waves we invented in the last two centuries to have reached some nearby star in the milky way, we get a transmission from that star that says "be quiet, they'll hear you!"