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Even the faintest whisper about the unification of physics must stand up to experiment with new tests and new predictions. This page lists those high-precision predictions and tests that were deduced from the strand conjecture, or strand tangle model, by Christoph Schiller. The positive and negative aspects of strands are also evaluated. Donors who support strand research can get a money-back guarantee.

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

Predictions about fundamental physics – 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. Thus also no exception to the invariant local limits c, and /c. (Part 1, based on results from 1973 that were simplified over time, agrees with all data.)
 
2. No deviation from general relativity (at sub-galactic distances) will ever be observed. Thus also no exception to the invariant local limits c, c5/4G, c4/4G, c3/4G and c2/4G. (Part 2, based on results from 1915, 1973 and corrected c. 2002, agrees with all data.)
 
3. Every observation in elementary particle physics is explained by the fundamental Planck-scale principle of the strand conjecture, i.e., by Dirac's trick at the Planck scale. No other, inequivalent approach will achieve this completeness of explanation. The assumptions are minimal, clear and unmodifiable. (Part 3, formulated c. 2014, agrees with all data.)
 
4. Calculating the fundamental constants of the standard model – the mass of the electron and of 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. (Part 4 was formulated c. 2014 and agrees with all data – though one other approach, by Tejinder Singh, is also trying hard.)

The research page lists papers and preprints explaining how these rather daring predictions arise from the fundamental principle. The rest of this page shows how to test and falsify both the predictions and the strand conjecture itself.

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Tests with particle experiments – of part 1:

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Tests with gravity experiments – of part 2:

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Theoretical tests – of parts 3 and 4:

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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 conjecture

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What speaks in favour of the strand conjecture

  1. So far, every consequence of the strand conjecture – 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 conjecture 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 conjecture. (If preferred, one can also take any other classical black hole property as an equivalent limit principle.)
  3. The strand conjecture is the first and only conjecture 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.
  4. The strand conjecture is the first and only conjecture 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.
  5. The strand conjecture is the first conjecture (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.
  6. The strand conjecture is the first and only conjecture 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 conjecture – all explanations and all predictions – derive from a single principle at the Planck scale. There is no way to modify the strand conjecture. There is no way (except by changing tangle–particle assignments) to change the predictions of the conjecture. No question in fundamental physics is left unanswered.
  7. Finally, the strand conjecture fits on a T-shirt, as often required. The T-shirt contains and agrees with all of textbook physics. And of course, the strand conjecture is based only on professional physics books, papers and journals and is published only in such books and journals. And of course, the strand conjecture gets no points on the various crackpot indices. Above all, the strand conjecture 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 demanded 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 conjecture 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 conjecture 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 desired, in the case that 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 conjecture 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 conjecture 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 conjecture is not falsified. In short, strand conjecture 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 conjecture. All predictions above have withstood the test of time. For various years he also offers 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 counterexample to any prediction listed above.

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