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You just answered your own question. A whole planet won't stop them - how will your detector?
by dTal 7y ago
You just answered your own question. A whole planet won't stop them - how will your detector?
- mrfusion 7y agoThat’s the challenge! What are your ideas? Maybe some kind of exotic materials. Meta materials? Also you only have to detect a small amount but you could send out a very large amount.