What exists when everything else is removed?
Does spacetime exist independently of matter—and if so, what is it physically?
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Evidence first
We follow the evidence wherever it leads.
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Uncertainty honestly
We distinguish what we know, infer and speculate.
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Open to criticism
Better arguments are how we get closer to truth.
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We change our minds
Corrections are a record of intellectual progress.
Thought Experiments & Investigations
If everyone has superintelligence, who has the power?
Equal intelligence does not necessarily mean equal agency, infrastructure or authority.
Where does a black hole's rotational energy reside?
A question about Kerr black holes, gravitational energy and what spacetime really means.