There have been some very significant prizes for achievements of unknown feasibility that turned out well. For instance the Longitude Act for a method of precisely determining a ship's longitude lead to the development of very precise marine chronometers. (Granted, there was a bit of difficulty collecting the prize.)
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The prize can be won. It is not proven impossible for extraterrestrials to exist.
We don't know whether it can be won or not.
There have been some very significant prizes for achievements of unknown feasibility that turned out well. For instance the Longitude Act for a method of precisely determining a ship's longitude lead to the development of very precise marine chronometers. (Granted, there was a bit of difficulty collecting the prize.)
Interesting, I submitted the link to HN because of that: https://news.ycombinator.com/item?id=37787123