Hunting for the Great Galactic Internet

This is not a lively repartee. The stars we're studying are 1,000 light years away, so our beam won't get there for 1,000 years. And if they want to answer us, that's another 1,000 years. But we are communicating whether we know it or not with pretty powerful and well-pointed lasers. The flip side is that maybe they are studying us with their own lasers, for whatever reason, and we should be looking for that. And that's what I plan to do.

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