First of all, why are the sums always wrong for deuterium and power? 
Secondly, I received a message to join an alliance, but have no idea how to respond. Do I need a certain technology before I can reply? I haven't even got a research lab yet.
Maybe if I built the SETI Program....

Secondly, I received a message to join an alliance, but have no idea how to respond. Do I need a certain technology before I can reply? I haven't even got a research lab yet.

Maybe if I built the SETI Program....

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