Via KurzweilAI.net — Sounds like a decent idea, and when Drake talks about searching for extraterrestrial life people better be listening.
Drake wants off-world listening post for alien messages New Scientist Space, Feb. 18, 2010
SETI founder Frank Drake wants to take the search for aliens about 82 billion kilometers away from Earth, where electromagnetic signals from planets orbiting distant stars would be focused by the gravitational lensing effect of our sun, making them, in theory, more easily detected.
Gravitational lenses could also be used to increase the range of transmitted signals.
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