A Cosmic Conversation with Avi Loeb
Somewhere in the Skies
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Are You Using Gravitational Lensing to Identify Smaller Objects?
Gravitational lensing is a technique that magnifies light from distant stars. It was first used to test einstein's theory of gravity, but it can also be used to look for technological signatures on planets and other objects in space. Ogan: I don't see a simple way of using gravitation lensing just because the probability of having a source behind a lens is so small. But maybe there would be a it's much easier to look directly for technological signature. There are lots of a techno signatures that you can imagine searching for without industrial planet-hunters.
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