Artfully place thumb, there. And the dude is sadly under-equipped, IIRC.
I was always worried about using analog etching to record sounds .. a digital representation would have been far more decodable that requiring any putative aliens to retro-craft a whole audio technology before trying to understand the content.
Artfully place thumb, there. And the dude is sadly under-equipped, IIRC.
I was always worried about using analog etching to record sounds .. a digital representation would have been far more decodable that requiring any putative aliens to retro-craft a whole audio technology before trying to understand the content.