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197 points amichail | 1 comments | | HN request time: 0.242s | source
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koolala ◴[] No.41865342[source]
This is almost the plot of Three Body Problem. Could we use a Solar Gravitational Lens in reverse and project signals out of the lens in reverse?
replies(2): >>41865986 #>>41867374 #
1. sbierwagen ◴[] No.41865986[source]
Protector by Larry Niven (1973) also features a gravity-powered telescope.