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astrodust
on April 19, 2016
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First Solar is making PV panels for less than Chin...
Strange parallels to Bitcoin mining where you're worried your rig might not pay for itself before faster mining hardware comes out that pays better.
tyho
on April 19, 2016
[–]
With exponentially increasing efficiency, when is the ideal to invest? This is solved by a "wait calculation"[0].
[0]
https://en.wikipedia.org/wiki/Wait_Calculation
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