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originally posted by: Soylent Green Is People
a reply to: Xeven
If you say the messages are "just waiting to be listened to", I would guess you mean that the time travelers who sent the message want the message to be listened to. If that were the case, then why wouldn't those time traveler just use existing frequencies that people are currently using?
originally posted by: Xeven
I think if you have to use some sort of portal (black hole, worm hole etc...) that is might be easier to send a radio signal back than somehow start an email or text app and get a message across time. I duno?