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13 days agoArgon would be better, as it won’t leave Earth and float off into space never to be seen again.
Argon would be better, as it won’t leave Earth and float off into space never to be seen again.
I think it’s cheating if you don’t have physical access to it otherwise you could just make it one of the voyager probes.
It’s one of those things that’s hard to really understand why it’s so useful, until you actually use it.