Test and prediction score: 100% correct since 2014.
 
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Even the faintest whisper about the unification of physics must stand up to experiment with new tests and new predictions. The present page lists those high-precision predictions and tests that were deduced from the simple, fundamental principle of the strand tangle model by Christoph Schiller. The positive and negative aspects of strands are also evaluated. Donors who support strand tangle research can get a money-back guarantee if any single prediction given below is falsified.

 
● All predictions about fundamental physics summarized in four short parts
● Tests with particle experiments – of part 1 of the predictions
● Tests with gravity experiments – of part 2 of the predictions
● Theoretical tests – of parts 3 and 4 of the predictions
● Present limitations and timeline of the predictions
● What speaks against the strand tangle model
● What speaks in favour of the strand tangle model
Support – with a money-back guarantee for donors and sponsors
 

All predictions about fundamental physics summarized in four short parts

1. No deviation from the standard model of particle physics (with massive Dirac neutrinos and PMNS mixing) will ever be observed – including no exception to the invariant local limits c, and /c. (This part 1 of the prediction, summarizing all textbook particle physics since 1973, agrees with all data.)
 
2. No deviation from general relativity (at sub-galactic distances) will ever be observed – including no exception to the invariant local limits c, c5/4G, c4/4G, c3/4G and c2/4G. (This part 2 of the prediction, summarizing textbook physics on gravitation from 1915, 1973 and 2002, agrees with all data.)
 
3. Every observation in elementary particle physics is explained by the fundamental Planck-scale principle of the strand tangle model, i.e., by Dirac's trick at the Planck scale. The assumptions are minimal, clear and unmodifiable. No other, inequivalent approach will achieve this completeness of explanation. (This part 3 of the prediction, made c. 2014, sums up all fundamental particle research and agrees with all data.)
 
4. Calculating the fundamental constants of the standard model – the mass of the electron and the other elementary particles, the fine structure constant and the nuclear coupling constants, and all mixing angles and CP phases – is possible with strands. No other, inequivalent approach will achieve this calculation. (This part 4 of the prediction, made c. 2014, agrees with all data – though one other, inequivalent approach, by Tejinder Singh, is also trying hard.)
 
The research page lists papers and preprints explaining how these predictions result from the fundamental principle. The rest of the present page shows how to test (or falsify) the predictions, and thus the tangle model itself.

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Tests with particle experiments – of part 1 of the predictions:

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Tests with gravity experiments – of part 2 of the predictions:

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Theoretical tests – of parts 3 and 4 of the predictions:

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Present limitations and timeline of the predictions

The predictions have no end in time. The aim remains to extend the list of tests in cosmology and to improve the calculations of the fundamental constants.

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What speaks against the strand tangle model

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What speaks in favour of the strand tangle model

  1. So far, every consequence of the strand tangle model – as well as every prediction and every test – agrees with all known experiments. Starting in 2019, the predictions were listed on this page and published in physics journals. So far, all checks are positive. (More precisely, the lack of deviations from general relativity was predicted in 2000, whereas most strand predictions are from 2009 and were included in volume VI of the Motion Mountain series. The remaining strand predictions are from 2014.)
  2. The strand tangle model is based on Planck limits, including a discovery in fundamental physics that is experiencing growing interest: maximum force. This limit principle, combined with the ideas of Dirac and of Battey-Pratt and Racey, led to the fundamental principle of the strand tangle model. (If preferred, one can also take any other classical black hole property as an equivalent limit principle.)
  3. The strand tangle model is the first and only approach that explains wave functions and their observed properties. Strands explain how wave functions arise, how they interfere, and how they lead to Hilbert spaces, entanglement and decoherence.
  4. The strand tangle model is the first and only approach that explains the elementary particles and all their observed properties, and does not add unobserved ones. Strands explain why there are three particle generations and why protons have the same charge as positrons.
  5. The strand tangle model is the first and only approach that explains the four interactions and their observed properties, and does not add unobserved ones. Strands explain quantum field theory, the gauge groups, the gauge interaction Lagrangians, the full standard model Lagrangian, the vanishing vacuum energy and the lack of a Landau pole; strands explain the field equations of general relativity, the Hilbert Lagrangian, black hole entropy and the no-hair theorem.
  6. The strand tangle model is the first approach (of only two) that estimates the fundamental constants ab initio. Strands predict the normal neutrino mass sequence and a rough value for the weak mixing angle, ab initio; and by explaining the fine structure constant and the mass of the electron more precisely – and ab initio – strands will explain all colours in nature.
  7. The strand tangle model is the first and only approach that explains fundamental physics from a single principle. It explains the principle of least action, the dimensionality of space, all conventional "principles", and all Lagrangians used in physics. All consequences of the strand tangle model – all explanations and all predictions – derive from a single principle at the Planck scale. There is no way to modify the strand tangle model. There is no way (except by changing tangle–particle assignments) to change the predictions of the strand tangle model. No question in fundamental physics is left unanswered.
  8. Finally, the strand tangle model fits on a T-shirt, as often required. The T-shirt contains and agrees with all of textbook physics. And of course, the strand tangle model is based only on professional physics books, papers and journals and is published only in such books and journals. And of course, the strand tangle model gets no points on the various crackpot indices. Above all, the strand tangle model agrees with all available experimental data - but remains falsifiable. As required by science, the numerous high-precision predictions on this page, in the publications and in the preprints – and the many people working on those topics – make falsification easy in principle, as is required by any candidate theory in physics.

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Support – with a money-back guarantee for donors and sponsors

For sponsoring a cup of coffee or tea, click here:

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You can contribute to efforts towards falsifying the strand tangle model by finding an effect or by funding an experiment that detects physics beyond general relativity or beyond the standard model with massive Dirac neutrinos. Or you can contribute towards the strand tangle model and support strand research with 0.001% (10 ppm) of your or your organisation's annual budget. You will get an entry on the sponsor page. If donor anonymity is desired, it will be respected.

Are you a donor or a sponsor thinking about a medium-sized contribution? Given the promising results so far, the Motion Mountain Physikverein and Christoph Schiller make an unusual offer (since 2020): if just one of the hundreds of experimental predictions and tests given above fails, the received financial support for strand research will be refunded. In short, strand tangle model falsified, money back.

Are you a donor or a sponsor thinking about a large contribution? In this case, the Motion Mountain Physikverein and Christoph Schiller make an additional offer (also since 2020): if another, inequivalent approach about the unification of physics arises – explaining particles and forces, estimating fundamental constants, and explaining least action and the number of dimensions – then the received financial support for strand research will also be refunded. Even if the strand tangle model is not falsified. In short, strand tangle model not unique, money back.

Private bets about the best path to unification are a fun pastime. In the past, christoph@motionmountain.net has proposed private bets on one or several predictions of the strand tangle model. All predictions above have withstood the test of time. For various years he has also been offering a free dinner to anybody providing a new and good argument (even if incorrect) against or in favour of the strand tangle model. This includes the first person telling him about a specific counter-example to any prediction listed above.

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