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Front side of postcard from John Wheeler, with cartoon illustrations of some of his contributions to physics, including being an observer within the universe vs being a participant in the dynamics of the universe; a naked singularity vs a black hole; and how to sew together 3-spaces (elements of superspace) into a 4 dimensional spacetime.

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Front side of postcard from John Wheeler, with cartoon illustrations of some of his contributions to physics, including being an observer within the universe vs being a participant in the dynamics of the universe; a naked singularity vs a black hole; and how to sew together 3-spaces (elements of superspace) into a 4 dimensional spacetime.
https://fediscience.org/system/media_attachments/files/110/686/424/636/135/892/original/4ce468ede075026f.jpeg

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Jonathan Z Simon (jzsimon@fediscience.org)'s status on Sunday, 09-Jul-2023 23:19:52 UTC Jonathan Z Simon
in reply to

@mcnees Wheeler had wonderful bespoke postcards that he used to acknowledge receipt of articles.

In conversation Sunday, 09-Jul-2023 23:19:52 UTC from fediscience.org permalink