# Things to do fermi estimates for - [[Is it feasible to make a solar-powered cargo ship?]] - [[Where is the break-even point for mining in space?]] <!-- #list --> [Web URL for this note](http://notes.benjaminreinhardt.com/Things+to+do+fermi+estimates+for) [Comment on this note](http://via.hypothes.is/http://notes.benjaminreinhardt.com/Things+to+do+fermi+estimates+for) <!-- {BearID:38EA783C-7975-46F0-A2EE-797D9B6CAEF0} -->