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seen Nov 30 '13 at 22:54

Jan
27
comment Is it possible for a physical object to have a irrational length?
you also need to be able to assume you can have an object which has a perfect right angle.
Dec
3
awarded  Caucus
May
4
awarded  Teacher
Jan
27
awarded  Supporter
Jan
8
comment Is there a way to create an artificial solar eclipse?
I've added a brief, but hopefully illuminating, explanation of why this is infeasible in practice.
Jan
7
answered Is there a way to create an artificial solar eclipse?