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The Conversation USA

How could we build an invisibility cloak to hide Earth from an alien civilization?

  • Written by The Conversation Contributor
imageA laser could hide – or broadcast – our existence.European Southern Observatory, CC BY

What would it take to hide an entire planet? It sounds more like a question posed in an episode of “Star Trek” than in academic discourse, but sometimes the bleeding edge of science blurs with themes found in science fiction.

Of course...

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