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Hacker News
What Is Spacetime, Really?
http://blog.stephenwolfram.com/2015/12/what-is-spacetime-really/
120 comments
2/12/2015
Reddit
Black Holes Might Really Be Giant Structures Made of Spacetime, Physicists Propose
https://www.vice.com/en/article/dy37xq/black-holes-might-really-be-giant-structures-made-of-spacetime-physicists-propose
139 comments
26/5/2023
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