The Ten Greatest Puzzles of InfinityAny comprehensive account of our knowledge of infinity must, of course, also include an account of what we do not know. To be sure, we know less about our ignorance than we do about our knowledge. Our map of the sciences still contains a lot of blank spaces of which the only thing that is clear is that something is unclear about them. Many of these puzzles are either directly or indirectly related to infinity. We have listed here only the ten most important of them. You may be awarded, and rightly so, a ►Nobel prize if you find a solution — or even just part of a solution — to any of the following puzzles:
If these puzzles strike you as too tough to crack, why don't you try some of the easier puzzles of infinity ►here?
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