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Q&A If I had an alien race, how would they interpret our numerical characters as being numbers?

This question has already been debated by exo-astronomers. The best answer they could come up with (using 1974 technology) was the Arecibo Message. The details might change, but the essential ide...

posted 9y ago by cobaltduckā€­  ·  last activity 9y ago by cobaltduckā€­

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