not quite but rosettaproject.org/disk/concept/ is similar in approach: large and easy to decode info hinting at more
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i just like the idea we have no idea whether they would think in nanoseconds or hours
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(i think it's less plausible for an alien lifeform to communicate with signals of ultra-low frequency, like millennia)
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agreed, but still, assuming the universe is only 13 billion years old, something probably wouldn't communicate one bit per million years
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maybe if it's hiding from the fast movers because they'd colonize/cannibalize it?
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good point :) humans value time very highly, but that's not innate (besides maybe star life-cycles)
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or hiding because it has nothing to fear but doesn't want to influence...
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the conclusions are pretty bleak - bring a more idyllic book as counterweight. apart from that it's great conceptually