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A comment on Thought experiments that fray the fabric of space-time. Parent comment

Re:Thought experiments that fray the fabric of space-time by krukah on Monday October 21, 2024 @06:55PM (#41909419)
unit sphere != unit ball

The former is the boundary, the latter is the interior + boundary. One of the great arbitrary naming conventions of math.

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Re:Thought experiments that fray the fabric of space-time by magicalhippo on Tuesday October 22, 2024 @12:21AM (#41911162)
Minor nitpick, the ball might be closed or open, depending on whether the boundary is included or not, respectively.
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