Metaphysical Thoughts - Making Quantum Mechanics Logical

August 28, 2025: The anomalous magnetic moment of the electron – The physics blog of Heikki Tuuri.

Saturday, April 13, 2024

Vacuum metric around a finite cylinder

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UPDATE April 16, 2024: We did not prove anything yet on April 8, 2024. More research is needed. The rubber block squeezing model is our best...
Monday, April 8, 2024

Can a z dependence give a metric for a cylinder? Gravity lens observations in the sky

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UPDATE April 14, 2024: We added a missing term dg₃₁' / dz to R₁₁. R₀₀ got a new contribution. There is a serious sign error in g₀₀' ...

Trace reversing is wrong in Einstein equations?

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Our April 2, 2024 post seems to imply that the Einstein field equations have no solution for a radial pressure in a cylinder. The key proble...
Tuesday, April 2, 2024

Metric inside a cylinder in cylindrical coordinates

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UPDATE April 14, 2024: We corrected a sign error in g₀₀' and g₀₀''. Correcting the error seems to remove contradictions. ---- La...
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Heikki Tuuri
About the blog author:
- Mr. Heikki Tuuri,
- born 1964 in Helsinki,
- PhD in mathematical logic, University of Helsinki, 1990
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