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What format do we use to send messages to extraterrestrials?
This article talks about information that is being sent. Since a radio signal is a one dimensional stream, how can the signal be encoded in such a way as to be easily interpreted.
They mention prime numbers. I can see how this could be done. Use an easily recognized separator, send two bits then 3 bits and 5 bits and so on. How do you send two dimensional data. Would you use special separator patterns to mark the beginning of the next line?
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